Ask any aquarist to recommend a good water conditioner, and Seachem Prime will likely be the response. Nobody, as far as I know, has published any sort of verifiable study in a highly regarded scientific journal to give a definitive answer to this question. All the other scientific minds seem intent on investigating other less important topics like cancer or AIDS. Chloramine is very difficult to remove naturally and needs to be neutralized with another chemical, like those formulated in water conditioners. Yes, chloramines will dissipate over time if left in an open container, but they will never be completely gone.

Even if you aren’t changing the water completely and are only topping it off, you should make it a practice to add a few drops of water conditioner to it. Best For: Very large households who want a system that can provide a good flow rate even at times of peak water usage. The 25 GPM GreenWave system has the highest flow rate of any conditioner on this list. Second-most common: Magnetic water conditioners, which alter the composition of calcium and magnesium with a changing electromagnetic fieldWhile we are talking about ingredients, let’s look at what is typically found in water conditioners. Video: The Truth About Dechlorinators Water conditioners aquarium water treatments that use a concentrated formula with sodium thiosulfate neutralizers. These neutralizers chemically reduce chlorine to chloride, a harmless negatively charged ion. Best For: People looking to make the smartest investment in a water conditioner that’s more capable, better-value, and easier to install and use than most other salt-free water softeners in the market. Tetra is a very popular brand among beginner hobbyists, though Tetra AquaSafe Plus Water Conditioner/Dechlorinator is just as dependable as other conditioners. This water conditioner can be used for freshwater and saltwater aquariums and is very inexpensive for the size of the product.

It usually takes approximately 15 minutes for the water conditioner to work in a pre-established tank. What Are the Best Aquarium Water Conditioners For Your Fish TankThe Food and Agriculture Organization of the United Nations states that active chlorine concentrations of 0.04-0.2 mg per liter are considered toxic to the majority of fish species. [ 3] I almost didn’t review the Hansing Whole House Water Conditioner because it just seemed way too simplistic and, in my mind, not as useful as some of the other units on our list. I’m glad I took a second look, however. For a lot of people, simplicity is the way to go.