How deep should hyrdoball layer be in Bioactive enclosure?

NickC2468

New Member
I am setting up a bioactive 24x24x48 Viv for my male veiled. I plan on misting for about 20 seconds, 3 times a day, with a 3-4 inch layer of substrate, and 6 plants. How deep should the hydro all layer be?
 
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