The kits I use seem pretty accurate, red sea's master lab kit, and reef lab kit both use the dropper method w/ like 8 different test tubes which I rinse throughly. I've heard mixed reviews on using amquel and prime in reef aquariums, so you've had positive results with those?
Probably just due large water changes for the next few days and hope its get back to normal.
But how should I raise the pH after the water changes, I use the de-ionized water from a local fish store and make a salt mix but the water is default of 7.0 b/c its D.I. water...
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