Understanding Phosphates

porpoiseaquatics

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I got myself a Hanna Phosphate checker and have just done the first test. The results were .30 ppm. I don't have anything to measure that against. My assumption is that this is a very low number and is acceptable however I don't know that. Thoughts?
 
barry_keith;1040284 wrote: .003 is low.. .03 is acceptable.. .30 is enough to brown acro and slow growth way down

did you happen to test right after feeding the tank?

+1


.25 is usually the upper limit id accept with an alk of ~10
 
barry_keith;1040284 wrote: .003 is low.. .03 is acceptable.. .30 is enough to brown acro and slow growth way down

did you happen to test right after feeding the tank?

Thanks! I tested about 30 mins after the second set of lights came on this morning. It's another 2 hours to feed time.
 
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