Envii Filter Feed – Pond Filter Starter Bacteria Treatment, Boosts Beneficial Bacteria Activity, Removes Ammonia & Nitrites in Ponds, Safe for All Fish & Wildlife – Treats 20,000 Litres

These are very easy to use. Put one every month in the hozelock filter box. It will be later in the year before I can see if they are working but I've used several Envii products and haven't been disappointed

Works great

Only giving 4 stars as just installed not sure how they work yet

I had been persistently struggling to keep my pond clean for years. No matter how much effort I put into cleaning, it seemed to turn green consistently. I tried adding some green-removing products, but unfortunately, they ended up harming my fish. However, I stumbled upon this remarkable filter feed and decided to give it a shot. To my utmost surprise, within just two weeks of using it, my pond water transformed into a sparkling, crystal-clear beauty. I must say, this product works like magic! The challenges I faced with my pond water were long-standing and frustrating. Countless cleaning efforts left me demotivated, but the moment I introduced this remarkable stuff, everything changed for the better. The transformation in my pond water quality was nothing short of remarkable. Now, I can confidently say that this product is a game-changer for any pond owner struggling with water clarity issues. In conclusion, this extraordinary filter feed has completely revolutionized my pond maintenance routine. It effortlessly solved the persistent green water issue, which had been haunting me for years. Witnessing the drastic change and the clarity it brought to my pond water was truly astonishing. If you're tired of struggling with murky water, give this filter feed a chance and watch the magic unfold!

Small pond had to put in far more than needed for pond size.

I put it the filter as described on the packet within 24hrs noticeable difference with the clarity of the water !! Let's see how the next week or 3 turn out yes I put in a full tablet . I'm impressed!! Good quality for the money and environmentally friendly water quality has improved and easy to use just put it in . Would recommend this to anyone great performance. Delivery was spot on .

Only just used one tablet in filter box ,and there seems to be a improvement in the quality of the water already. So I am pleased with my purchase and hopefully when I have completed the course everything will be fine in my pond.

Great product dose what it says

Leicht zu benutzen. Funktioniert

Work as supposed, just work with the correct amount for the quantity of water and the magic happens, no problem with the fish

Je récupère , l'eau de pluie , pour arroser le jardin , et pour les toilettes , mais en été j'avais toujours une eau brunâtre , avec une demi pastille , ma cuve de 5000 litres en 48h est devenu clair.

Ja werkt echt En makkelijk

Molto utile per la pulizia dei laghetti