Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to look after pet crabs [title] Fill the tank with about 1/2 to 1 whole centimeter (or more) of sand or coconut substrate. [title] Place the crabs in the tank once you are home. [title] Fill the two bowls with crab food and water.

Ending1: [step] A spoonful of tank salt, a tablespoon of neem oil , 1/4 of a pinch of salt, and 2 drops of lavender oil together will work. [title] Cover your crabs with a towel, or cover them with a lid. Ending2: [step] Do not use tap water; use non-chlorinated water. [title] Leave them for a bit of time to get used to the area (choose a warm place and don't move them too much). Ending3: [title] Set up the sunbathing area in your aquarium and let your crab outsize its shell on the sand. [title] Place the tank in a pot of water. Ending4: [step] You will use 3 or 4 gallons. [title] Start by filling the first tank with crab food and placing the crab food and water into the opposite bowl.

Answer format: ending1/ending2/ending3/ending4