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How to breed neon tetras
Set up a breeding tank.
You will need more than one tank in order to breed tetras, so get another one if you do not have one already. You can use a 12 x 8 x 8 inch (30 x 20 x 20 cm) tank to breed your tetras.

Options: (A). You can get your tetras at a local pet store that specializes in reptiles. This will save you time and make catching a tetras more fun.; (B). Keep the tank in a cool, dark area, away from drafts and other heating and cooling sources. In general, neon tetras will mate soon after breeding.; (C). You will need different materials: sand, treated animal manure, gravel, and/or shear material for the tank. Sand is the best material for breeding neon tetras, as most synthetic materials will not oxidize properly.; (D). You will use this tank to bring a male and female tetra together for breeding and also as a place incubate the eggs and baby tetras. You can set this tank up similar to how you have your normal tank set up.;
(D).