It’s worth keeping a regular check on your pond and the plants growing in and around it, to make sure everything is thriving and in balance. Activated carbon is an effective and safe method for neutralizing a range of organic substances which can cause water discolouration, including tannin, proteins, and fertilizers.

Although the clearing process may take slightly longer in unfiltered ponds due to the bacteria having to do all the work.The millions of beneficial bacteria that are including in this product target green and murky water and eliminate it for good. This is because the UV treatment which destroys algae particles also destroys free-swimming bacterium which can cause both disease and sickness in koi and goldfish. Zeolite functions in a very similar way, neutralizing molecules via adsorption, but works best for removing fertilizers or inorganic substances, such as perfumes and pesticides. Regular mechanical filter media is useful for removing larger free-swimming debris and matter, but often can’t remove very fine particles which could be causing issues with clarity. However, it’s a very effective long-term deterrent, and can be added after an algae bloom has been treated with other methods (UV clarifier) to prevent the re-growth of algae in future.

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. Most treatments only work down to around 12°C which gives algae a window to sneak in a little extra growth. Pond Informer is growing community of pond keepers, ecologists, and wildlife experts with a passion for all things freshwater - be it the smallest hobby pond or the largest of lakes. In this guide, I’ll give you all the details of how to clear pond water, and keep it clear safely, without harming your fish or plants!

Fish produce A LOT of constant waste, so many fish keepers choose to perform regular water changes to reduce harmful ammonia and nitrites alongside their natural beneficial bacteria and bio-filtration. Plus my ponds are constantly filled with frogs and salamanders too – a wonderful sign of a healthy pond!

I had some algae already setting in and it immediately cleared up and I treated it again May 4th with 7 scoops and then again today July 8th with another 7 scoops as preventive treatment only. Our Envii Pond Klear Xtra is a natural pond treatment that uses beneficial bacteria to clear pond water. Envii Pond Klear also focuses on reducing unwanted organics that feed algae, including decaying fish food, leaves and fish waste.When this happens, harmful substances will begin to rise alongside debris, waste, and pond sludge which can causes issues with both water quality and clarity over time.