Different Sources of Water for Your Fish Tank (The First Tank Guide) Support and Share the First Tank Guide: You have several choices: tap water, water from another tank, Reverse Osmosis or De-Ionized purified water, softened water, bottled water, rain water, or collected water. The easiest and most obvious - and usually the cheapest - is to useTap water is available to almost anyone keeping an aquarium, and is almost always going to be fine for yourHowever, you do need to be aware that if your tap water is from a municipal water supply, or if you have a holding tank for your water supply, you probably have chlorinated water, and you will need to use a dechlorinator or a chloramine remover to make the water safe for your aquarium, depending on which compound is used in your water system. Water from another aquarium is another possibility. sometimes be helpful when setting up a new tank, but it has manyIf you do not know the history of the tank and what the

water conditions really are in this tank, this can pose a risk of disease or chemical toxicity to your fish. This is especially true of water from tanks in pet stores where rapid turn-over of fish can introduce a disease into the water with no opportunity for the store employees to detect the disease. Additionally, the benefits that presents to the cycling process are minimal. saltwater aquarium fish for saleBetween the risks of thisaquarium fish and coral for sale behavior and the minimal benefits, this is not recommended. where to buy sharks for my fish tank exception to this is when moving a used tank, where taking as much ofthe best betta fish tank

the water from that tank as possible dramatically helps the biological filter get restarted, if the filter was live and operational before moving the used tank. RO or DI water purchased from a pet store isRO and DI are two methods of purifying water. removes the impurities and any particulate that could be in the water, or neutralizes the pH by eliminating the various ions that could bebest quiet air pump for fish tank floating in the water. fish tank pet storeWhile this gives you very pure water, this water is potentially dangerous for your aquarium. impurities removed from the water, the water's ability to maintain its chemical properties are compromised. This presents a risk that the water could make sudden and dramatic changes in pH, alkalinity, and hardness when exposed to any

kind of chemical - even the aquarium equipment. It is important to know how to balance this water appropriately if you get it to make sure it will stay stable. In addition, RO or DI water will have most, if not all, of the trace elements necessary for your fish and plants to remain healthy removed, further prosing a risk to your fish. important to get the correct supplements for your fish or plants, and know how to add them to the water and how to test that you have theThough RO or DI water can be very useful to advanced aquariists with the experience and knowledge of the water conditions they are trying to duplicate and how to duplicate them and test that the water is still safe, I would not recommend RO or DI water to a beginning fish keeper. Many people want to use softened water from a home waterThough this should be safe, you should check with the manufacturer of your softener or the softening media you use to confirm that the water is safe for aquarium use before using it.

Bottled water is another choice people consider. against bottled water unless you KNOW your tap water isBottled water is often not regulated or tested, so the waterAlso, bottled water often has vitamins, flavors, preservatives, colors, or other additives added to make theThese can be devastating to your fish tank. Some people are interested in using rain water for theirIn this case, you need to consider the condition of the air and the condition that leaves the rain water in. Tap water has been filtered through soil and then processed to insure that it isRainwater can carry pollutants which it has washed out of the air, as well as possible contaminants from tubing, gutters, piping, roofs, and other surfaces it has flowed through or over before getting to your collection point - as well as risks of contamination in theRainwater is also almost always lacking in necessary trace elements to keep the fish healthy, as well as those

necessary to help the water maintain chemical balance. Some people want to just collect water from a local stream orThough tempting, this poses several risks. could contain pollutants which may not cause significant problems while they are washed downstream, may cause problems for your fish which would be likely to have prolonged exposure. water is likely carrying pathogens for diseases which your fish are ill prepared, which could result in a disease epidemic in your fish tank. possible to pick up parasites which could wipe out your fish. addition to parasites, you may pick up some native plants or animals which, in turn, may be illegal to keep in your area. My recommendation for any beginning aquariist would be to use tap water unless you know there is a reason to not use your tap water, such as your local municipal water supply is know to be contaminatedIn general, for a beginner, tap water will be theIt should be excellent for a wide variety of fish, is