Low nitrate readings - The Planted Tank Forum
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post #1 of 2 (permalink) Old 05-17-2013, 03:36 AM Thread Starter
Algae Grower
Join Date: Dec 2012
Location: Chicago, IL
Posts: 50
Low nitrate readings

So I was talking with one of the employees from my lfs the other day about a problem with low nitrates in my tank and he said it can take months for the tank to build up enough nitrates to give a higher reading? I just wanted to run this by some of you guys to see whether or not this is total bs? I have a red sea test kit, that has been reading approximately 4ppm regardless of my dose. I have been dosing 7.5 g of KNO3 every other day to try and pull these levels up before my BBA returns. However the test continually reads 4ppm. Any input is greatly appreciated!
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post #2 of 2 (permalink) Old 05-17-2013, 04:08 AM
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Join Date: Dec 2003
Location: The swamp
Posts: 13,609
See how to calibrate a NO3 test kit (a sticky).

Calibrating Test Kits - for non-Chemists

then once you do that, then ask.

Tom Barr
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