The Planted Tank Forum - View Single Post - Magnesium difficiency?
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post #5 of (permalink) Old 12-18-2012, 04:10 AM
Darkblade48's Avatar
Join Date: Jan 2008
Location: Toronto/Singapore
Posts: 9,865
Originally Posted by SpecialEffect View Post
Oh really? Any idea why leafs are curly

That epsom salt?
Yes, that is Epsom salt (magnesium sulfate (heptahydrate)).

You can dose calcium with calcium sulfate (available at hydroponics stores).

Though, if Montreal water is hard, it is likely not that either.


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