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Darren bellwood-Hythe,kent-

Received my Dennerle cleanator today wow this stuff really is the business “ had very stubborn water marks from when tank was set up as an African cichild tank all round top of tank and on black plastic inside of tank , this Dennerle two step sponge just cut right through the white water marks and got rid of light algae spots with ease excellent product a must have for your aquarium.

Robert Fletcher-Hinckley, Leicestershire-

I first saw this product on one of George Farmers YouTube videos. He was giving it a rave and when George raves you take notice. I have just given a somewhat neglected 110 ltr tank, and this was fantastic on the glass. Some of the algae in the real glass were quite hard, but the Denerlle sponge cut through it. An essential tool in the Aquarists toolkit.

FLAPPINGANIMAL-Colchester, Essex-

I was a bit dubious of buying what is essentially a fancy pan scouerer, but after struggling a but with green dot algae on my glass and scrubbing with white washing up sponges and blade scrapers I thought I give this guy a go. It works really well! There's still a little scrubbing involved but I had the glass in my 200l clean in 10 minutes. Even the hard to reach spots which I'd let get really bad over the months came clean fairly easily. So it's expensive for a sponge but it's well worth the money. And thanks to Aquarium Gardens for delivering on time and well packaged. Cheers :)