MarcoS Posted April 20, 2022 Share Posted April 20, 2022 Hi all My water is on GH 18. I have a Fluval 207 canister and besides the initial media I added Fluval polishing pads. I come across this product but have ready a few coments of people that this did marvelous things and some other that not only didn't changed the hardness of the water but left the tank cloudy. I have Guppies and Cori, but I would like to add some less tolerent fish as well. Should I use this product, is there other solutions for it, or am I just dommed? Thank you in advance. This is my second post and your guys are great. Link to comment Share on other sites More sharing options...
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