Sunny Posted October 13, 2021 Share Posted October 13, 2021 Hi guys! I’m new to guppies, and I saw two beautiful yellow males at the store on Saturday and bought them (no ladies- going back next week to see if any come in). I put them in my QT tank, a 10 gallon with some random plants and pothos. I just finished using it as a QT tank for some cherry barbs and prior to that, it was a holding tank for my corys for a few months. I immediately dosed the med trio and put in 3 tbsp salt. One of the males has been sitting on the little pile of crushed coral in the corner. He eats, and he comes up to greet me whenever I look at the tank, but he does keep retreating there. I turned the temp up a little. Today he seems to have a red sore forming and is gasping for breath. He is still eating. The other guppy seems fine. My water has ph 6.8, and I put crushed coral to keep it from going lower, but I’ve never been able to get it higher. My water is 150-300 GH on the Coop test kit. I just took a reading on this tank and it’s at 10 nitrate, 0 nitrite, 150ish GH, 80KH (despite the crushed coral, that never really goes up either, and I’ve got 2 cups in there). I know my ph runs low for guppies, but I thought my hard water could make up for it. Is my thought process flawed, or is the sore an indication of something else? Thanks! Link to comment Share on other sites More sharing options...
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