nightly ph drop

[rickwaines]

Originally Posted by Craigdillman

is it causing anyproblems cause most tanks drop PH at night its natural and nothing to worry about, the ocean dose it. In the day there is a excess metabolic demand therefore increse gas exhange and in turn raise in PH while at night there is a slowing of everything and there for the ph drops and becomes more acidic .... unless you see a problem it probably did that way longer than when u strated to mesure it

I am imagining that my concern is perhaps much ado about nothing but I am new to the salt end of aquariums and enjoy learning from folks. thanks!