Best answer
Clean tap water
People also ask
What is the best water to use for aquariums?
Tap Water. The easiest and most obvious – and usually the cheapest – is to use tap water. Tap water is available to almost anyone keeping an aquarium, and is almost always going to be fine for your fish.
Can I use tap water to fill my fish tank?
For ease and convenience, many fish owners choose to fill their tank up with tap water. Tap water is also a cheaper method of filling an aquarium. Because tap water has been filtered through the Earth and then processed at a plant, it is very clean.
Where to get water for aquarium fish?
Aquarium Water Sources. 1 1. Municipal Tap Water. Perhaps the easiest way to provide your fish with a watery home is to turn on the tap. If your home water comes from a … 2 2. Well Water. 3 3. Bottled Water. 4 4. Rainwater. 5 5. Distilled Water. More items
Is well water good for fish tank?
Though in some ideal cases well water can be indeed pure enough to use on your tank, it might have dangerous substances or levels which might be detrimental to your fish well-being. Thus, you should always check the different levels just as you would with tap water. Make sure to test the well water: