Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to breed neon tetras [title] Set up a breeding tank. [step] 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.

Ending1: 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. Ending2: Keep the tank in a cool, dark area, away from drafts and other heating and cooling sources. [substeps] In general, neon tetras will mate soon after breeding. Ending3: You will need different materials: sand, treated animal manure, gravel, and/or shear material for the tank. [substeps] Sand is the best material for breeding neon tetras, as most synthetic materials will not oxidize properly. Ending4: 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. [substeps] You can set this tank up similar to how you have your normal tank set up.

Answer format: ending1/ending2/ending3/ending4