Aquanate Posted March 10, 2022 Share Posted March 10, 2022 Hello. I've just setup my first aquariums. They've been running in for four days. The driftwood is cedar. I used Sakrete play sand as well as their all purpose gravel, with lava rock and an unidentified rock my mother had to help hold the wood down until it sinks. I decided to use undergravel filtration. From the tap my water pH is 6. Today I tested it and it read 7.4(to me). T.D.S. went from 20ppm and has risen each day. Now it's at 79ppm. My guess is about a 20ppm increase each day. My pH will determine my choice in what species I need to keep. I haven't changed my water yet. Please help me understand what's happening. 1 Link to comment Share on other sites More sharing options...
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