Question? When ph probes start losing their calibration, which way do they shift the readings to? Do they read higher or lower? Maybe they are all different?
UPDATE Plumbing washed out two nights in fresh water, and on it's place. filling first test water in sump.... Thrill in love story..... Some more of Sump in progress. Right Side ...
With the tank close to empty (still have to get out all of the sand and the last of the water, including in the overflows), I'm thinking about what to do next. Wes is pushing for a huge upgrade. LOL It's always easier to get someone else to upgrade, after all. A bigger tank could be nice, but I know what the workload was for the 280g and have no reason to think it would be a minor adjustment for a bigger one. The truth of the matter is, larger tanks cost more every time. I may ...
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