k0olmini Posted August 28, 2021 Share Posted August 28, 2021 (edited) I tested the ph of my 40 breeder twice and both results came back as 8.0. I tested my tap water and it came out to 7.4. I am not running any crushed coral, it’s fairly well planted with a bunch of pogostemon stellatus octopus and duckweed (that I can’t get rid of). It’s stocked with 15 blue cochu tetras, 8 cheery barbs, 8 glowlight danios, 2 red lizard tails cats, 1 honey gourami, 1 peacock gudgeon, 6 bronze corys. I am not running any crushed coral, I have some driftwood in there too. My substrate is innate. The tank has been running for a year already. I would assume that it would get more acidic. Can anyone think of a possible cause? The only other thing I can think of is the rocks I am using. They were rocks I picked up from a Home Depot. I tested them with vinegar but I didn’t see any bubbles. Other than the rocks is there any other explanation for the ph increase? Edited August 28, 2021 by k0olmini 1 Link to comment Share on other sites More sharing options...
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