Hey, just want to make sure im reading this test correctly. I'm reading .26 ml, is that right or am I supposed to read the other line?
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Ah thanks, bummer. Can't seem to raise it. 2.5 gallon water changes every 4 days not doing it.
extra mag?
Yep, time to supplement. Saltmixes typically won't keep up, depending on what types of coral you keep.
I DIY mag supplement. Magnesium chloride from bulk reef supply and Walmart Epsom salts. Works well.
I use this calculator : http://reef.diesyst.com/chemcalc/chemcalc.html