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# Frog Environmental: Expert-led water treatment and silt control solutions that reduce environmental impact, not performance. Trusted by leading developers and civil engineers.

## Sitemaps
[XML Sitemap](https://www.frogenvironmental.co.uk/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [Construction runoff: Why misunderstanding sewers can lead to pollution](https://www.frogenvironmental.co.uk/news-guidance/construction-runoff-why-misunderstanding-sewers-can-lead-to-pollution/): We explore the different types of sewers, when and how they are used, and the key considerations for managing site discharges, including when a discharge permit is required and how this links to wider environmental compliance.
- [Free CPD webinar: Environmental risks and remedies when working in and near water](https://www.frogenvironmental.co.uk/events/free-cpd-webinar-environmental-risks-and-remedies-when-working-in-and-near-water/): Minimising pollution risk and ensuring site teams are properly trained are critical components of effective site water management planning. Join our technical team for this free webinar.
- [Discharge consent & environmental permitting webinar; a guide to discharging water from construction sites in England & Wales](https://www.frogenvironmental.co.uk/videos/discharge-consent-environmental-permitting-webinar-a-guide-to-discharging-water-from-construction-sites-in-england-wales/): Learn why environmental permits and consents for water discharge are needed and how to apply for one. Watch our free webinar for top tips on staying compliant including a detailed Q&A session.
- [The cost of pollution: How construction sites can avoid heavy fines and bad press](https://www.frogenvironmental.co.uk/news-guidance/the-cost-of-pollution-how-construction-sites-can-avoid-heavy-fines-and-bad-press/): Learn how construction sites can avoid pollution fines and bad press with practical guidance on silt control measures that are cost-effective and have a long-term benefit.
- [In the news: Sustainable Bubble Curtains](https://www.frogenvironmental.co.uk/news-guidance/in-the-news-sustainable-bubbles/): Leading national magazine, Innovation has covered a feature delving into sustainable options when operating our bubble curtains, as demonstrated in our client's project.
- [Bubble Curtains: A powerful solution, but don’t DIY ](https://www.frogenvironmental.co.uk/news-guidance/bubble-curtains-dont-diy/): When correctly engineered and tailored to local site conditions, Bubble Curtains provide a highly effective solution for trapping sediment, reducing noise, aerating water, and preventing pollution from spreading downstream - a level of performance and reliability that DIY systems can’t match.
- [Preparing a site for winter shutdown; managing water quality and pollution risks](https://www.frogenvironmental.co.uk/videos/preparing-a-site-for-winter-shutdown-managing-water-quality-and-pollution-risks/): Even when construction activity stops, your legal and environmental responsibilities don’t. Watch our free webinar for top tips on staying compliant and avoiding incidents.
- [Free CPD webinar: Environmental permitting; a guide to discharging water from site in England and Wales](https://www.frogenvironmental.co.uk/events/permitting-webinar/): Join our free webinar which will provide the construction industry in England and Wales with background on the permitting structure and assistance on the key aspects needed to complete a bespoke permit application for discharging water off-site.
- [How to prepare your site for winter shutdown: Managing water quality and pollution risks](https://www.frogenvironmental.co.uk/news-guidance/prepare-for-site-winter-shutdown/): Is your construction site prepared for its annual winter shutdown? Read top tips on staying compliant and avoiding incidents.
- [Environmental permitting: A guide to discharging water from site](https://www.frogenvironmental.co.uk/news-guidance/environmental-permitting-a-guide-to-discharging-water-from-site/): This article provides the construction industry with background on the permitting structure and assistance on the key aspects needed to complete a bespoke permit application for discharging water off-site.
- [Research – evaluating oxygen transfer](https://www.frogenvironmental.co.uk/research-papers/evaluating-oxygen-transfer-by-canadianpond-ca-products/): This research shows results of the aeration systems we sell being uniformly excellent and producing some of the highest SOTE values observed.
- [Working in Water](https://www.frogenvironmental.co.uk/news-guidance/working-in-water/): Working in water can be challenging for constructors but Frog Environmental's bubble barrier technology and silt products are designed to make projects run smoothly.
- [Why it pays to be Rain Ready](https://www.frogenvironmental.co.uk/news-guidance/why-it-pays-to-be-rain-ready/): Discover how being Rain Ready® can help construction companies manage water quality more effectively
- [Bubble Curtains and how they prevent silt movement](https://www.frogenvironmental.co.uk/news-guidance/its-curtains-for-silt/): Bubble Tubing® is proven effective in stopping up to 90% of sediment dispersal.
- [Zero carbon water treatment systems](https://www.frogenvironmental.co.uk/news-guidance/zero-carbon-gel-flocculant/): In this article we share how our sustainable and practical zero carbon operation water treatment system can protect watercourses and reduce operational costs and carbon footprint for contractors.
- [Free Silt Control Toolbox Talk info sheet](https://www.frogenvironmental.co.uk/news-guidance/free-silt-control-toolbox-talk/): We've put together a handy planning tool to help your team manage the risk of causing a silt pollution event from your construction site.
- [Silt management on construction sites with constrained linear footprints](https://www.frogenvironmental.co.uk/news-guidance/silt-control-on-construction-sites-with-linear-footprints/): We make use of interceptor ditches to design passive, low carbon, rain-ready silt management systems for linear construction sites to prevent pollution. 
- [Reduce waste costs and improve biodiversity with used silt capture and water treatment mats ](https://www.frogenvironmental.co.uk/news-guidance/reduce-waste-costs-and-bring-bio-enhancement-with-used-silt-capture-and-water-treatment-mats/): In this article we explain how you can repurpose used biodegradable mats to bring biodiversity gain and reduce associated costs of disposal for your site.
- [Effect of check dams on runoff, sediment yield and retention on small semiarid watersheds](https://www.frogenvironmental.co.uk/research-papers/effect-of-check-dams-on-runoff-sediment-yield-and-retention-on-small-semiarid-watersheds/): A study on check dams.
- [Impacts of flocculation on sediment basin performance and design](https://www.frogenvironmental.co.uk/research-papers/impacts-flocculation-sediment-basin-performance-design/): This study evaluated a system consisting of three fibre check dams in a lined ditch discharging to sediment basins that differed in their configuration.
- [Micro bubble curtains study: impact on sediment dispersal](https://www.frogenvironmental.co.uk/research-papers/sediment-dispersal-is-effectively-impeded-by-air-bubble-curtains/): This study outlines findings of using Bubble Curtains for effective sediment control.
- [Influencing river morphodynamics with bubble screens](https://www.frogenvironmental.co.uk/research-papers/influencing-river-morphodynamics-with-bubble-screens/): The reported laboratory experiments demonstrate the potential of the bubble-screen technique to modify the morphology in a variety of applications in shallow rivers and open channels.
- [Influencing bend morphodynamics with an air bubble screen](https://www.frogenvironmental.co.uk/research-papers/influencing-bend-morphodynamics-with-an-air-bubble-screen/): These preliminary experiments show the potential of a bubble screen to influence and modify the bed morphology.
- [Reduction of bend scour with an air-bubble screen](https://www.frogenvironmental.co.uk/research-papers/reduction-of-bend-scour-with-an-air-bubble-screen/): These preliminary experiments show the potential of a bubble screen to influence and modify the bed morphology.
- [Influencing flow patterns and bed morphology with an air bubble screen](https://www.frogenvironmental.co.uk/research-papers/influencing-flow-patterns-and-bed-morphology-with-an-air-bubble-screen/): The ability of a bubble screen to redistribute the flow field and bed morphology in shallow rivers and open channels has been investigated in laboratory experiments.
- [Mitigating underwater explosion effects with bubble curtains](https://www.frogenvironmental.co.uk/research-papers/mitigating-underwater-explosion-effects-with-bubble-curtains/): Mitigation of shocks and noises is made possible by the use of a bubble curtain set around the explosive charge.
- [Developing an underwater shock suppression system to mitigate underwater blast effects on marine life](https://www.frogenvironmental.co.uk/research-papers/evaluating-the-performance-of-the-roach-cove-bubble-screens/): Research findings evaluating the performance of the bubble screens at Roach Cove, an underwater demolition training area.
- [Noise reduction by an air bubble curtain in offshore pile driving](https://www.frogenvironmental.co.uk/research-papers/noise-reduction-by-an-air-bubble-curtain-in-offshore-pile-driving/): In this paper, a model is proposed for the investigation of the sound reduction during marine piling when an air-bubble curtain is placed around the pile.
- [Bubble Curtains can be used to inhibit carp](https://www.frogenvironmental.co.uk/research-papers/bubble-curtains-can-be-used-to-inhibit-carp/): This research covers findings of field testing of a bubble curtain deterrent system for common carp.
- [Protecting vessels from fouling using air bubble curtains](https://www.frogenvironmental.co.uk/research-papers/protecting-vessels-from-fouling-using-air-bubble-curtains/): This paper describes novel technology to protect vessels whilst stationary using air bubble curtains.
- [Management practices for micropollutant control in road runoff](https://www.frogenvironmental.co.uk/research-papers/management-practices-for-micropollutant-control-in-road-runoff/): Management practices for the control of micropollutants found in road runoff: from the “invention” of technical solutions to the “design” of innovative practices.
- [Flocculated sediments can reduce the size of sediment basin](https://www.frogenvironmental.co.uk/research-papers/flocculated-sediments-can-reduce-the-size-of-sediment-basin/): Our results suggests that current sediment basin design could be modified when chemically-assisted settling is implemented, taking up less space and cost in construction sites.
- [Flocculated sediment and runoff quality improved by polyacrylamide](https://www.frogenvironmental.co.uk/research-papers/flocculated-sediment-runoff-quality-improved-polyacrylamide/): This study emphasises that the passive treatment of stormwater runoff using GPAM is a very effective method of flocculating sediments in turbid water.
- [Underwater sound mitigation of bubble curtains with different bubble sizes](https://www.frogenvironmental.co.uk/research-papers/underwater-sound-mitigation-of-bubble-curtains-with-different-bubble-sizes/): Without mitigation measures, piling generates sound pressure levels which exceed the limit values for the sound exposure level and the peak level at distance 750 m. In this work, results from acoustical tests on bubble curtains as well as a first attempt for modeling the mitigation effect of bubble curtains are presented and discussed.
- [Effects of Clearflow products on trout](https://www.frogenvironmental.co.uk/research-papers/effects-of-clearflow-products-on-trout/): Our Clearflow products have been subjected to extensive research in Canada where it has been demonstrated there is little or no impact on river trout.
- [Noise reduction study – air bubble curtain in offshore piling](https://www.frogenvironmental.co.uk/research-papers/noise-reduction-study-air-bubble-curtain-in-offshore-piling/): This paper describes a semi-analytical model that is used for the investigation of the sound reduction during marine piling when an air bubble curtain is placed around the pile.
- [Bubble Curtains attenuating noise pollution for harbour porpoises](https://www.frogenvironmental.co.uk/research-papers/bubble-curtains-attenuating-noise-pollution-for-harbour-porpoises/): This research shows bubble curtains dampen noise from offshore wind farm construction and reduce temporary
habitat loss for harbour porpoises.
- [Common sources of pollution from construction sites](https://www.frogenvironmental.co.uk/videos/common-sources-pollution-construction-sites/): Hear our experts share common sources of pollution on construction sites, including pathways of how silt and sediment can be washed off sites into water courses and how they impact aquatic life.
- [Trapping and retaining silt in streams](https://www.frogenvironmental.co.uk/videos/trapping-retaining-sediments-stream/): Learn about how Silt Mats™ can be deployed directly in channels downstream of earth moving or silt disturbance activities to trap and retain silt and prevent pollution.
- [Free CPD webinar: Preparing your site for winter shutdown](https://www.frogenvironmental.co.uk/events/webinar-nov-25/): Preparing for winter shutdown is a critical part of good site water management planning. Join our technical team for this free webinar.
- [Silt management on the Afon Gwili](https://www.frogenvironmental.co.uk/videos/silt-management-on-the-afon-gwili/): We used a range of products including: Floc Mat®, Silt Net, Bubble Tubing®, Silt Mat™ and Silt Wattles on this sensitive river project.
- [Flood & Coast conference](https://www.frogenvironmental.co.uk/events/flood-coast-conference/): Visit our technical team and stand at this renowned conference.
- [Removing silt from surface water](https://www.frogenvironmental.co.uk/videos/removing-silt-surface-waters/): Leela, our Technical Director, explains how sediments and silts can be removed from surface waters using our flocculants.
- [Managing invasive weeds and litter](https://www.frogenvironmental.co.uk/videos/bubble-barrier-managing-duck-weed/): A bubble barrier created with Bubble Tubing® can be used in high value aquatic environments to prevent floating weed and litter from entering managed areas such as moorings.
- [Flocculant use on a construction site](https://www.frogenvironmental.co.uk/news-guidance/flocculant-use-on-a-construction-site/): Basic guidance for the construction industry about when to use a flocculant, what type of flocculant to use and how much of it to use, and advice on managing costs and risks when using flocculants on a construction site.
- [Managing silt on construction sites](https://www.frogenvironmental.co.uk/news-guidance/how-to-manage-silt-on-construction-sites/): Before starting your project, sediment and silt management is an essential part of your planning. Silt, soils, mud, clay, and sand are the primary pollutants generated at construction sites, mainly due to erosion of exposed soils by surface water runoff leading to siltation of water courses.
- [In the news: Preventing Pollution: Using innovative silt capture at Lowdham Flood Storage Reservoir](https://www.frogenvironmental.co.uk/news-guidance/innovation-magazine/): The Innovation Magazine, a publication covering environmental best practice, featured our innovative silt capture and water treatment system and how it’s being used during the build of a £30 million Flood Storage Reservoir.
- [Frog Environmental speak at international IECA erosion conference 2025 ](https://www.frogenvironmental.co.uk/news-guidance/frog-environmental-at-ieca-2025/): Frog Environmental was delighted to present best practice at the International Erosion Control Association (IECA) Conference 2025, one of the world's largest gatherings of environmental professionals.  
- [In the news: Groundwater treatment system crucial for Littleborough flood defence works](https://www.frogenvironmental.co.uk/news-guidance/ground-engineering/): Ground Engineering has featured a Frog Environmental system to manage and treat silty water created by construction activities on phase one of the Environment Agency’s Rochdale and Littleborough flood alleviation scheme.
- [The advantages of lining ditches and swales in reducing erosion and pollution risks](https://www.frogenvironmental.co.uk/news-guidance/lining-ditches-and-swales/): In this article our technical team delves into why it's important to line ditches and swales to help minimise erosion and pollution risks on construction sites.

## Products
- [Sound Attenuation Bubble Curtains  ](https://www.frogenvironmental.co.uk/products/sound-attenuation-bubble-curtains/)
- [Aeration Bubble Curtains  ](https://www.frogenvironmental.co.uk/products/aeration-bubble-curtains/)
- [Water Injection Dredging Bubble Curtains  ](https://www.frogenvironmental.co.uk/products/water-injection-dredging-bubble-curtains/)
- [Litter & Weed Control Bubble Curtains  ](https://www.frogenvironmental.co.uk/products/litter-weed-control-bubble-curtains/)
- [OctoAir® Aeration Systems](https://www.frogenvironmental.co.uk/products/octoair-aeration/)
- [Gel Flocculant for Nutrient Removal ](https://www.frogenvironmental.co.uk/products/gel-flocculant-for-nutrient-removal/)
- [Gel Flocculant for Mining & Legacy Sites ](https://www.frogenvironmental.co.uk/products/gel-flocculant-in-mining-legacy-sites/)
- [Aerated Reedbeds  ](https://www.frogenvironmental.co.uk/products/aerated-reedbeds/)
- [Gel Flocculant for Silt Control ](https://www.frogenvironmental.co.uk/products/gel-flocculant/)
- [Floc Mat® ](https://www.frogenvironmental.co.uk/products/floc-mat/)
- [Silt Mat™](https://www.frogenvironmental.co.uk/products/silt-mat/)
- [Silt Wattle ](https://www.frogenvironmental.co.uk/products/silt-wattle/)
- [Pipe Reactor ](https://www.frogenvironmental.co.uk/products/pipe-reactor/)
- [Clearflow GFR Systems](https://www.frogenvironmental.co.uk/products/gfr-units/)
- [Silt Capture Channel ](https://www.frogenvironmental.co.uk/products/silt-capture-channel/)
- [In-ditch Polishing Point ](https://www.frogenvironmental.co.uk/products/silt-in-ditch-polishing-point/)
- [Silt Net ](https://www.frogenvironmental.co.uk/products/silt-net/)
- [Silt Fence ](https://www.frogenvironmental.co.uk/products/silt-fence/)
- [Silt Control Response Kit ](https://www.frogenvironmental.co.uk/products/silt-control-response-kit/)
- [Silt & Debris Bubble Barriers ](https://www.frogenvironmental.co.uk/products/silt-bubble-barriers/)
- [Settlement Tests ](https://www.frogenvironmental.co.uk/products/settlement-tests/)
- [Abstraction and Asset Protection Bubble Curtains  ](https://www.frogenvironmental.co.uk/products/abstraction-and-asset-protection-bubble-curtains/)

## Case Studies
- [Innovative silt capture system used for water run-off at major flood storage reservoir scheme](https://www.frogenvironmental.co.uk/case-studies/silt-capture-system-helps-major-flood-storage-scheme/)
- [Sustainable Bubble Curtain at Bewdley](https://www.frogenvironmental.co.uk/case-studies/sustainable-bubble-curtains/)
- [Effective silt pollution prevention on the A59 at Kex Gill](https://www.frogenvironmental.co.uk/case-studies/effective-silt-pollution-prevention-and-sediment-control-on-the-a59-at-kex-gill/)
- [Innovative waste water management system deployed for Rochdale flood defence works](https://www.frogenvironmental.co.uk/case-studies/innovative-water-management-system/)
- [South Shields Regeneration: 
Bubble Curtains proven to reduce noise by 99% during marine construction](https://www.frogenvironmental.co.uk/case-studies/rivertyne/)
- [Yearl Weir bank protection](https://www.frogenvironmental.co.uk/case-studies/yearl-weir-bank-protection-silt-control/)
- [Award winning water treatment system protects SSSI conservation site](https://www.frogenvironmental.co.uk/case-studies/gel-flocculants-approved-for-use/)
- [Bubbles prevent aggregate pollution](https://www.frogenvironmental.co.uk/case-studies/bubbles-prevent-aggregate-pollution/)
- [Silt management on Scottish construction site](https://www.frogenvironmental.co.uk/case-studies/silt-management-scotland/)
- [Silt pollution mitigation at Trebanos Wastewater Treatment Works](https://www.frogenvironmental.co.uk/case-studies/silt-pollution-mitigation-at-trebanos-wastewater-treatment-works/)
- [Constructing the country’s largest fish pass](https://www.frogenvironmental.co.uk/case-studies/constructing-the-countrys-largest-fish-pass/)
- [Bubble barrier protection for weir removal in river](https://www.frogenvironmental.co.uk/case-studies/bubble-barrier-protection-for-weir-removal-in-river/)
- [Bubble Curtain achieves 90% aeration levels and limits silt during bank works](https://www.frogenvironmental.co.uk/case-studies/river_don_bubble_curtain/)
- [Bubble barriers stop silt in Welsh waterways](https://www.frogenvironmental.co.uk/case-studies/bubble-barriers-stop-silt-welsh-waterways/)
- [Bubble Curtain stops plastic litter and weeds whilst improving water quality](https://www.frogenvironmental.co.uk/case-studies/bubble-curtains-improve-water-quality/)
- [Preventing silt pollution whilst working in rivers](https://www.frogenvironmental.co.uk/case-studies/preventing-silt-pollution-whilst-working-in-rivers/)
- [Silt control with Bubble Curtain in London](https://www.frogenvironmental.co.uk/case-studies/silt-control-with-bubble-curtain-in-london/)

## Pages
- [Vacancy – Senior Technical Specialist](https://www.frogenvironmental.co.uk/vacancy-senior-technical-specialist/)
- [Vacancy – Graduate Technical Specialist](https://www.frogenvironmental.co.uk/vacancy-graduate-technical-specialist/)
- [Webinar feedback](https://www.frogenvironmental.co.uk/webinar-feedback/)
- [Cookie Policy](https://www.frogenvironmental.co.uk/cookie-policy/): Our website uses cookies to distinguish you from other users of our website. This helps us to provide you with a good experience when you browse our website and also allows us to improve our site.
- [Floating wetlands product page](https://www.frogenvironmental.co.uk/products-floating-wetlands/)
- [Our Sustainable Development Goals](https://www.frogenvironmental.co.uk/sdgs/)
- [Installation Guides](https://www.frogenvironmental.co.uk/installation-guide/)
- [Training feedback](https://www.frogenvironmental.co.uk/training-feedback/)
- [Subscribe](https://www.frogenvironmental.co.uk/subscribe/)
- [Sitemap](https://www.frogenvironmental.co.uk/sitemap/)
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- [FAQs](https://www.frogenvironmental.co.uk/faqs/)
- [Careers](https://www.frogenvironmental.co.uk/careers/)
- [Working in Water Overview](https://www.frogenvironmental.co.uk/working-in-water-overview/)
- [Water Treatment Overview](https://www.frogenvironmental.co.uk/water-treatment-overview/)
- [Silt Control timeline](https://www.frogenvironmental.co.uk/silt-control/silt-control-timeline/)
- [Knowledge Hub](https://www.frogenvironmental.co.uk/knowledge-hub/)
- [About Us](https://www.frogenvironmental.co.uk/about-us/)
- [Case Studies](https://www.frogenvironmental.co.uk/case-studies/)
- [Training](https://www.frogenvironmental.co.uk/training/)
- [Applications](https://www.frogenvironmental.co.uk/applications/)
- [Silt Control Overview](https://www.frogenvironmental.co.uk/silt-control/)
- [Contact](https://www.frogenvironmental.co.uk/contact/)
- [Posts](https://www.frogenvironmental.co.uk/posts/)
- [Home](https://www.frogenvironmental.co.uk/)
- [Privacy Policy](https://www.frogenvironmental.co.uk/privacy-policy/): Our website address is: https://www.frogenvironmental.co.uk.

## Training
- [Pre-construction Phase: Silt Control & Surface Water Management](https://www.frogenvironmental.co.uk/training/pre-construction-phase-training/): Discover how to plan and prepare your construction site for water pollution prevention in the pre-construction phase and how it can save you time and money in the long run.
- [Construction Phase: Silt Control & Surface Water Management ](https://www.frogenvironmental.co.uk/training/construction-phase-silt-control-surface-water-management/): Discover how to plan and prepare your construction site for water pollution prevention in the pre-construction phase and how it can save you time and money in the long run.
- [Construction Phase Silt Control: Get it Right on Site ](https://www.frogenvironmental.co.uk/training/get-it-right-on-site/): Develop your applied knowledge of controlling silt pollution with a bespoke session delivered on your construction site, where you will learn how to deploy, monitor and maintain silt control interventions.
- [Become a Silt Control Champion: Digital Award ](https://www.frogenvironmental.co.uk/training/become-a-silt-control-champion/): We offer half day extensive training sessions tailored for groups of either up to 6 or 10 people. As well as gaining working knowledge and learning techniques to mitigate risks of silt pollution, delegates will also come away with a digital certificate for their own benefit and CPD training record.
- [Silt Pollution Prevention: Lunch & Learn CPD ](https://www.frogenvironmental.co.uk/training/silt-pollution-prevention-lunch-learn-cpd/): 2 hours, remote, up to 10 people Whether you’re a contractor, client organisation, or regulator, understanding the latest pollution control techniques for protecting the environment is crucial. In this free 1-hour CPD session, we will explore various aspects related to working in water.
- [Pollution Prevention whilst Working in Water: Lunch & Learn CPD ](https://www.frogenvironmental.co.uk/training/working-in-water-cpd-session/): Whether you’re a contractor, client organisation, or regulator, understanding the latest pollution control techniques for protecting the environment is crucial. In this free 1-hour CPD session, we will explore various aspects related to working in water.
- [Bubble Tubing® & OctoAir® Applications: Technology Briefing ](https://www.frogenvironmental.co.uk/training/using-bubble-curtains-for-effective-environmental-protection-cpd-session/): Whether you’re a contractor, client organisation, or regulator, understanding the latest pollution control techniques for protecting the environment is crucial. In this free 1-hour CPD session, we will explore various aspects related to working in water.
- [Silt Control Products: Technology Briefing](https://www.frogenvironmental.co.uk/training/silt-product-briefing/): Our toolbox talk is designed to help you manage silt before it becomes a problem and assist you in communicating key points to site staff.  Silt is still the number one pollutant from construction sites. Regulation has got tougher and fines are getting bigger. We hope you find this guide useful. 

## Installation Guides
- [Silt Capture Channel](https://www.frogenvironmental.co.uk/installation-guides/silt-capture-channel/): Silt Capture Channels are used to slow the flow of water, and to filter and trap silt and fine sediment.
- [Floc Mat®](https://www.frogenvironmental.co.uk/installation-guides/floc-mat/): Designed and manufactured by us, our unique and environmental-friendly Floc Mat® provides a safe, cheap and easy solution to support the removal of pollutants from the water.
- [In-ditch Polishing Point](https://www.frogenvironmental.co.uk/installation-guides/in-ditch-polishing-point/): Our bio-engineered In-ditch Polishing Point works within the parameters of existing site infrastructure to create a gravity-fed treatment point for fine, mobilised silt particles, typically generated by clay-rich subsoils.
- [Silt Wattle](https://www.frogenvironmental.co.uk/installation-guides/silt-wattle/): Deployed directly on the ground, in ditches or used to create low flow channels when working in rivers, Silt Wattles' low permeability supports natural ground infiltration and helps contain dirty water.
- [Silt Mat™](https://www.frogenvironmental.co.uk/installation-guides/silt-mat/): Our Silt Mat products are a 100% biodegradable water quality solution that captures and traps silt and sediment to prevent dirty water from polluting rivers and other waterbodies.
- [Gel Flocculant](https://www.frogenvironmental.co.uk/installation-guides/gel-flocculant/): Clearflow’s Gel Flocculant can be used in many ways to bring optimal performance and water treatment aims to a broad range of projects.
- [Pipe Reactor](https://www.frogenvironmental.co.uk/installation-guides/pipe-reactor/): The Pipe Reactor is our mobile water treatment system that works with specialist flocculant to remove silt and other contaminants.