Tadpoles need clean, dechlorinated water. Rainwater is one of the best waters to keep your tadpoles in since it contains mosquito larva and doesn't contain any chemicals.  Some advise using water from where you found the tadpoles.[citation needed]  Do not use tap water; it's too full of chemicals that can harm tadpoles. If you want to use tap water, use water conditioner sold at pet stores for fish. Try to only change half the water at a time to keep the pH of the water balanced. A turkey baster is good for this and disturbs the tadpoles as little as possible whilst making it easy to remove debris that gathers at the bottom of the container. But this is optional--not many tadpole/frog owners have these.
أبق الماء نظيفًا. غير الماء بانتظام.