Envii Pond Klear - Natural Green Pond Water Treatment, Clears Green and Murky Water for Crystal Clear Healthy Water, Safe for all Fish and Wildlife - Treats Up to 20,000 litres (4,400 Gallons)

Working well if you follow instructions very pleased cleared alot in days after many others failed

Worked great took 2 goes but the water is crystal clear now 👌

Good product at a good price, recommended 5 star

I have used 2 bottles and my pond is still green it hasn't worked

Pond is clearing.

I am now on week 7 of treatment, but there isn't any improvement at all. It states that it should take between 7 - 8 weeks, but obviously this is not the case. I even covered the pond with netting to keep the extreme heat we are having to protect the water, but to no avail. I even purchased the Pond Equaliser as recommended. Only option is to drain it right out and start again, I suppose

We're delighted with this product as it is easy to use, the water clarity is so good and our pond appears to have recovered from the awful green colour that it was. We don't have fish so are unable to comment on their health but the pond plants seem to be fine.

very good

Absolutely no good what so ever used two bottles and the pond is still a green.

Ottimo prodotto ! Fa benissimo il suo lavoro , acqua limpida in pochissimo tempo e sparisce anche odore di acqua stagnante

Räckte inte till min damm men funka så de gröna algerna i vattnet försvann...vattnet var grönt nu är de klarare & inte grönt

Tengo un estanque de unos 400 litros en el exterior. Con tanta luz tuve problemas de diatomeas y después de algas verdes. El estanque llegó un momento que era color “verde bosque”. Los parámetros del agua en rango. Los alguicidas de Acuario nada. Cambiar agua nada. He conseguido volver el agua transparente, que se ven hasta los granitos de arena del fondo con nitidez, combinando este producto con una lámpara UV que he colocado dentro del filtro. La primera semana no hizo aparentemente nada. La siguiente duplique dosis y el milagro apareció. Hay que tener un poco de paciencia.

Pond was VERY green, double dosed after finding UV lamp had blown. Cleaned very green pump filter sponges. Left new UV off for three days after dose, then again seven days later after second dose. Pond was very green, could hardly see fish. Two weeks and really noticed a difference, three weeks and totally clear.