The Planted Tank Forum - View Single Post - seachem matrix bio best ?
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post #16 of (permalink) Old 01-31-2013, 05:24 PM
Wannabe Guru
Join Date: Dec 2011
Location: New England
Posts: 1,116
Originally Posted by ChadRamsey View Post
for UNDER $3, at your local home improvement supplier, you can get a 25# bag of small lava rock. Just rinse and use. And you will have enough there for 10 FX5s
I can only find the 7lb for $4 at homedepot.
Maybe its a reason thing.
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