what is ks204 - The Planted Tank Forum
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post #1 of 3 (permalink) Old 06-05-2014, 12:33 PM Thread Starter
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what is ks204

What is ks204 and do you dose it in a planted tank?
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post #2 of 3 (permalink) Old 06-05-2014, 01:31 PM
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K2SO4 is exactly what it says it is. That's the chemical formula for Potassium Sulfate. You dose it for the potassium it contains which plants use. Usually you get enough potassium from dosing KNO3 and K2PO4. However, if your fish produce enough nitrates that you don't need to dose KNO3 or if your plants are showing signs of potassium deficiency then some people dose additional K2SO4 to provide it.

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post #3 of 3 (permalink) Old 06-05-2014, 10:13 PM
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Some plants require more K than most so even adding KNO3, there may not be enough K so it runs the risk of a deficiency.

It's K2SO4, which is two K's bound to a SO4 molecule when dry.
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