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The Importance of Water Changes In Aquarium Maintenance

June 22, 2011 17 Comments 20097 Views

BucketRoutine water changes are the most basic, most necessary, and most overlooked acts of tank maintenance. Most aquarists know they should do water changes, but not everyone does or even knows how to do it the right way. How much and how often are highly debated topics among aquarists no matter what kind of tanks they keep.

Why should we do water changes?

Removing water from the aquarium and replacing it with new, “clean” water removes waste and organics that are dissolved in the water. It also helps to remove any chemical treatments or medications when the treatment is complete. Dissolved organics contribute to Nitrate and Phosphate build-up that aquarists try so hard to control. These compounds can affect the health of your livestock directly and can promote algae and cyanobacteria growth, making your tank unsightly. Changing the water also helps to replenish minerals and other trace elements. This can be especially important in tanks with corals and crustaceans (crabs and shrimp, both freshwater and saltwater) that use these minerals to form their skeleton or exoskeleton. Corals and other saltwater invertebrates can use up minerals fairly quickly in a closed environment, and replacing old, depleted water with fresh saltwater adds these minerals back into the tank. Read More »

Pure Confusion – Finding the “Right” Water for Your Aquarium

November 24, 2010 129 Comments 57806 Views

Water SamplingOne common question that we receive about setting up new aquariums is about the most basic ingredient to the aquarium, the water that goes into it. There are a lot of terms that can get confusing when someone is trying to determine how to fill their aquarium and from what source. The options can be staggering – tap water, bottled water, prefilters, and so on – and starting with the right foundation can make all the difference, from the smallest betta bowl to the largest reef system.

Tap Water

This is probably the easiest and most accessible water source in most areas. Whether you get your water from a municipal water sources or from a well, it doesn’t get much easier than going to the nearest sink to fill your bucket or tank. Its ease is definitely a benefit, but keep in mind that municipal water sources will usually contain chlorine or chloramine to kill bacteria and well water sources may contain phosphates or other organics. Tap water can be used, but should be treated or purified to remove these materials before it goes into your aquarium. Read More »

What Is It and Why Do I Need It? – Part 2 – Freshwater Aquarium Salt

October 6, 2010 6 Comments 7663 Views

Many freshwater aquarists use or at least have heard of using salt in their freshwater aquariums, but few seem to know why. Most “read about it somewhere”, “heard it from someone”, or “saw it on the shelf so I must need it”. To some, it may be beneficial but to others it can cause far more harm than good.

What exactly is Aquarium Salt?

Aquarium Salt“Salt” is a very broad chemical term and can refer to an unlimited combination of elements. The salt used in freshwater aquariums is Sodium chloride (NaCl). This is NOT the same thing as what is probably in your kitchen and is NOT the same thing that saltwater aquarists use for their corals and clownfish. The “table salt” used as a condiment is mostly NaCl, true, but most table salt is Iodized Table Salt and contains iodine, de-caking agents, and possibly potassium or other trace elements. The marine salt used in saltwater aquariums is mostly NaCl, also true, but has buffers and other elements like sulfate, magnesium, calcium, potassium and others. All of these extra ingredients can range from unnecessary for to harmful to freshwater aquariums, affecting the biology of freshwater plants and animals directly as well as changing the water chemistry in the tank. For freshwater aquariums, use only salt sold as freshwater Aquarium Salt or pure NaCl like Kosher Salt or Rock Salt. Read More »