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Discussion Starter · #1 ·
I'm thinking of using potting soil under sand as my substrate in a tank of mine, mainly because no one around me sells ANY kind of plant substrate. Anything I should know? Is one kind better? Does it mess with the ph? Which kinds leach tannis into the water? Thanks.
 

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Discussion Starter · #4 ·
I was familiar with Walstad, but that thread was enlightening. Thanks. So how does this sound for substrate--a little red clay, topsoil from my yard (I'm in luck! I'm digging a pond soon!), --maybe--a handful of oyster shells? Heard mixed things on that. Then sand. The plants are going to be--Ozelete sword, pygmy chain sword, dwarf hairgrass, various rotalas, watersprite. Probably a few small kinds of crypts. Lighting--2wpg, CO2--DIY. Sound good? I've never done tank exactly this way before, though I have used soil--kind of (long story).
 
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