The Planted Tank Forum - View Single Post - Regarding clay in substrates
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post #1 of (permalink) Old 07-21-2009, 06:23 AM Thread Starter
Algae Grower
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Regarding clay in substrates

What is the importance of clay in the substrate?
I noticed some "recipes" for nutrient rich substrates included kitty litter (vermiculite). Why?? Aren't Jobes Spikes enough?
Lastly, can Miracle Grow spikes be substituted for Jobes?

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