How much? - The Planted Tank Forum
Old 06-18-2012, 04:51 PM Thread Starter
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How much?

I have a 20g High(will be a crs tank), how many 9L/3L bags of ada amazonia substrate will give me a 3 inch bed?? This substrate is expensive and I don't want to spend more than I have to. I have googled this topic but still haven't come up with a straight answer...
DoubleT is offline

Old 06-18-2012, 04:58 PM
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I think you'll need at least 11-12 liters of soil at least.

Hopefully someone will chime in with actual math, as I'm just going on personal experience.

You could also add things like lava rock in the substrate bed to lessen the amount of Aquasoil you'll need.

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somewhatshocked is online now
Old 06-18-2012, 05:20 PM
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24 x 12 x (2.54)^3 = 4700 mL per inch of substrate, or 4.7 liters per inch. 2 inches is about the minimum you need, so about 9 liters would be a bare minimum.

Hoppy
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