Inert substrate

Naveen

I added 1/2 cm river sand... For shrimp tank ... Is it ok.. thin layer... I'm afraid of hydrogen sulphide formation beneath th sand as i heard... Which is toxin for shrimp.... Is it k... A thin lay
 

awilkinson871

A substrate is better for shrimp IMO as it gives them more to dig through for food. If it is a thin layer you should not have a problem with gas as it will be pretty consistently moved around by the shrimp.
 

SotaAquatics

You need a relatively thick layer generally - multiple inches, and the right conditions for hydrogen sulfide to form in an aquarium. Most of the time that people think they have hydrogen sulfide bubbles form in their substrate - its just nitrogen/co2 gas, possibly methane in a really dirty tank. It still smells like rotten eggs because the gas was made from decaying poo. I keep 1-3 inches of sand in most of my tanks with no issues. The shrimp will like a bit of stuff to dig around on.
 

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