Paraguard caused red powder on tank bottom
So Ive been using Paraguard to treat my flame angel for 6 says straight. Today I noticed that on the bottom of the tank, there is a red powder that to me, kind of seems like its a precipitate, like maybe some of the drug has fallen out of solution. The QT silicon seals have also turned light blue, which I assume is them absorbing the malachite green. And I treat every day like it says on the bottle, so I dont know why anything would fall out of solution, bc the concentration shouldnt be increasing. I'm going to change some of the tank water and retreat, but just want to know if anyone has experience with this before.
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