Keep it around 1-2 inches. Any deeper, and you risk anaerobic bacteria buildup. I use a thin layer in my 75-gallon, and it's perfect for sifting.
discus tank gravel vs sand
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CalmEcho  - Posts: 14
 - Joined: Thu Oct 10, 2024 6:07 pm
 
Re: discus tank gravel vs sand
Thanks for all the advice, everyone. I'm gonna go with sand and keep it shallow. Appreciate the help!