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hmmm... maybe i could do a little experiment. i have been monitoring my water religiously lately and maintaining Ca and Alk. at about 400 and 3.5meq/l and my coraline has taken off like wildfire! i will admit that i do not do water changes as often as i should, perhaps tommorow. but i dont see my tank getting any supplemental stront/mag. from any internal source. or any other trace elements for that matter. i'll look around and see if i have any supplements lying around and i'll try dosing them. see what happens. if i find some, what should i dose, half the recommended amount? BTW do supplements go bad? if i have some kickin around somewhere they are liable to be a few years old as i have stopped dosing stuff years ago, besides kalk that is.
just a thought
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