Dosing and testing nitrate - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 07-31-2014, 06:47 AM Thread Starter
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I have dry fertilizers for ei dosing my new aquarium. It's 100L of water volume, accounting for displacement from the substrate. I used an online calculator to come up with the following for dosing the nitrate portion:

65g potassium nitrate mixed with 500mL of water. Dose 10mL 3x weekly. Supposedly each dose it's supposed to raise my nitrate 8ppm but one hour after dosing my nitrate is zero (api kit). Any advice? I don't want my new plants to melt!

75g high tech, low maintenance with Angels & mild mannered fish
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post #2 of 3 (permalink) Old 07-31-2014, 06:56 AM
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Read the directions of the test kit. You're not shaking test bottle 2 and the solution. Shake. Shake. Shake.
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post #3 of 3 (permalink) Old 07-31-2014, 03:19 PM Thread Starter
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Quote:
Originally Posted by Solcielo lawrencia View Post
Read the directions of the test kit. You're not shaking test bottle 2 and the solution. Shake. Shake. Shake.
Thanks, that was the problem. 20ppm.

75g high tech, low maintenance with Angels & mild mannered fish
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