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Odours such as ammonia and sulphur are very rapidly taken up by Pond Start, while heavy metals and other toxic substances are reduced so greatly improving water quality. Using a unique two-stage process exclusive to us, this natural, microbial treatment starves algae of nutrients and digests the resulting dead organic matter, leaving your pond crystal clear.
However, cleaning out a pond can seriously disrupt itsnatural ecosystem, which can take several years to recover. It canalso be physically demanding and messy work, especially with a large pond. And you need a lot of collected rainwater to refill the pond afterwards. For tips on maintaininga healthy pond ecosystem,see our guide to wildlife ponds. First, consider whether a total clean-out is really necessary.The traditional advice is to give small ponds a complete overhaul to remove debris every five years, and give large ponds a thorough clean every ten years.
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Top up ponds with fish if the water level drops significantly. Evaporation in hot or windy weather can reduce oxygenation, causing problems for fish. Ideally use rainwater from a butt, as the nutrients in tap water encourage algae. If you must use mains water, warm it in the sun first and add in small quantities, to avoid a sudden temperature drop. Topping up isn’t usually necessary if there are no fish – most wildlifewill cope with fluctuating water levels. If the pond liner becomes visible, consider adding a stone-covered liner or allowing pond-side plants to grow over the edge, to help disguise the exposed liner and protect it from sunlight
Place decaying plant material on the side of the pond, so any smaller creatures hiding in it can return to the pond laterHydra Crystal clears green pond water by causing algae cells to clump together to be filtered from your pond.
Our Envii Pond Klear Xtra is a natural pond treatment that uses beneficial bacteria to clear pond water. Containing three times more bacteria than our flagship product Envii Pond Klear, it effectively clears both green and murky water by binding together the particles and sinking them to the bottom of the pond. Bacteria are clever little things and have a solution for most fish-related problems. Add some beneficial bacteria aimed at clearing water and it should do exactly that, seeding the water with bacteria and enzymes which get to work reducing waste and polishing the water.Get it right and the use of beneficial bacteria can clear pond water naturally. Biological filter media is designed to give nitrifying bacteria a new home. Change the pond waterRemove the plants gradually too, as the water level drops. Take the opportunity to re-pot or divide them if necessary – see our guide to propagating pond plants Removes green water from ponds and water features without exterior filter systems to give clear pond water. Pond Clear Plus is a slower process than the Hydra Crystal. Complete clearing may take several days. If plants such as waterliliesflowered poorly the previous year, consider feeding with a specialist aquatic plant food, but avoid feeding if not required
Thin out excessive growth of underwater oxygenating plants – four to five bunches (each containing three to four stems) should be sufficient for each square metre/yard of pond surface You can use algae treatment for ponds alongside your pond filters and pumps or use green water pond treatments periodically when algae build up. The problem: When the spring sunshine comes it brings with it the potential to turn your clear, clean pond water into a green blot on your landscape. The build up of nutrients over the winter months and the warming of the water, create the perfect breeding ground for microscopic green algae. Green algae can be unsightly and greatly reduce visibility in your pond. Hydra Pond Clear Plus Removes the green water by causing it to flocculate and rise to the surface where it can be netted/skimmed off.Few sunlit ponds enjoy clear water year-round as its too tempting a breeding ground for nuisance algae. If designing a pond place it in partial shade, build a pergola or fit a sail over the pond to protect it from the full glare of the sun’s rays. Aquatic plants can be used to shade pond water too and up to two thirds of the pond surface area can be covered with pond plants. Introduce some pond life to clear pond water naturally Barley is a widely used cereal grain found in many commercial food products across the world, as well as being a major component of many popular beer beverages. Surprisingly, barley straw has also been used for centuries as a natural algae deterrent in fresh bodies of water, including wells, lakes, and ponds. Barley by itself cannot stop algae from growing, but can produce potent substances during decomposition which work as natural algaecides. After placing barley in your pond it will slowly become waterlogged and sink to the bottom with the rest of your bottom sludge. As it slowly decomposes it will begin to release humic acid into the surrounding water; a natural product of the decomposition of certain organic material. As the humic acid enters the pond it reacts with both oxygen and sunlight, forming a super-oxide radical which leads to hydrogen peroxide. Hydrogen peroxide is a powerful algae killer, and is produced in a low enough volume from barley straw to be safe for the ecosystem, but still remain a highly effective algae deterrent. Why use it? Keep the water well oxygenated in hot, humid weather,especially if you have fish, by running a bubble fountain or similar. Solar-powered fountains are readily available. This can also help to deter blue-green algae Note that to work, the microbes needs the water to be 10°C or more to work - So use April to October.
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