Envii Winter Pond Treatment – Reduce Sludge & Improves Water Clarity, Works at Low Winter Temperatures, Natural Bacteria Treatment for All Ponds – Treats 60,000 Litres

used for few years now.. for winter.. as my pump is taken out for winter, treatment works well... pleased with pond water.. fish happy ..

Did what it says on the packet

Seems to work ok but still early days

Only used it the once so far to help clear pond of winter greeness. It's not done a lot at the moment but i have several treatments to give my pond yet. I also use the summer pond treatment which works a treat.

These tablets are very easy to use and, even better, they WORK! My large pond (10,000 litres) became infested with filamentous algae and, despite the filter being clean, and UV light in perfect working order, it just kept growing. I double-dosed the pond according to the instructions gloomily thinking nothing was going to work, but work it did - within 24 hours the dratted algae was well and truly dead! As such, I highly recommend this product.

I put two tablets in the pond and it did slightly clarify the water but the pond is a communal one and does not have and cannot have a filter so I will continue with the treatment and I am sure it will help the clarity.

Good product. Cleaned the cloudy water in my pond with a couple of days. Can see my fish again

Followed instructions ten days ago, it has made no difference to pond clarity at all, shame really as I thought it would work well with no sun to encourage algae.

Li uso sistematicamente da due anni e sono sempre ottimi

No hace nada,lo puse primero en un cubo,3 pastillas disueltas al día siguiente estaba igual ,no hizo nada, vaya timo

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Produit à dissoudre. Bon produit pour le prix

Un buon prodotto per lo stagno artificiale. I risultati sono difficilmente misurabili ma certamente aiuta. Un po’ costoso….