The Planted Tank Forum - View Single Post - Using old substrate as dry start grow out?
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post #2 of (permalink) Old 10-10-2012, 02:01 PM
Obsessed? Maybe
somewhatshocked's Avatar
Join Date: Aug 2011
Location: Louisville, KY
Posts: 12,165
You can use anything, really. Just have to make sure the plants receive proper nutrition.

I use old substrate in grow out tanks, house plants, succulent mixes, et al.
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