Planted Tank Guru
Join Date: May 2013
Location: Redwood city, ca
I recently purchased the seachem ammonia alert for my fluval spec two that I replaced the substrate with Amazonia, it's been close to three days now and the thing still hasn't changed colors to detect ammonia in the tank. Then I got to reading seachem a website and what they say about this product. And that brought me to question whether the ammonia Amazonia releases is gases or ionized ammonia because the ph is below 7.... I'm no scientist but being in this hobby you have to pick up some basic biology and chemistry to have a succesful tank.
This exert is basically saying in a tank with a ph oh less than 7 ammonia (gas) cannot exist, but ionized ammonia can exist which is not harmful for fish. Is this true?and can someone please explain this in a more literal term. I get confused easy unless it's a hands on learning process.
A:The technology of this device is very unique to our company and has been an excellent seller for many years to hobbyists, breeders, and public facilities alike. The Ammonia Alert is designed to change color in the presence of free (gaseous) ammonia, not ammonium (ionized ammonia) which is harmless to fish and other aquatic life. The longer it is left in a particular body of water/aquarium, the more sensitive it becomes to that water. Most conventional test kits test total ammonia which is a combination of free ammonia + ammonium = total ammonia. PH is the determining factor on what type is present. If your pH is acidic (below 7.0), it is chemically impossible for ammonia (harmful gas) to exist. Yet a total ammonia test kit will register a reading because it detects both the free ammonia (harmful gas) and ammonium (harmless ionized form of ammonia). The more basic your pH becomes, the greater the chance of ammonia existing. Example: If you have 1.0 ppm of total ammonia and your pH is below 7.0, then 1.0 ppm will exist as ammonium. Ex. If you have 1.0 ppm of total ammonia and your pH is 7.6 (slightly basic), then of that 1.0 ppm total ammonia......only .2 or so would exist as a gas and the other .8 would exist as ammonium.
must....have.....more....moss n shrimp!!!!!!!!!!
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