Need some help...Nitrates.

[daveunkefer]

I have a feeling if you don't rinse out your canisters regularly, that may be the problem.
Non-regularly cleaned canister filters can be mega nitrate producers.
And by regular, I mean whenever you do a water change.
many people think canisters can go for months without a cleaning. But gunk taken in by the filter is not out out the tank, just out of sight, and is a nitrate producing factory.

+1

if your tank is clean...clean your filters.

 

[mahoney709]

Filters cleaned last week. Some sponges replaced some were cleaned all bio max and bio balls rinsed. Hoses cleaned as well.


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[Gill Blue]

Just done another 50-60% change, the seem to have dropped when I read it under a fluorescent light. Under a fluorescent they read about 10-20ppm. HOWEVER, under a incandescent light they look SKY high, like 80-160ppm. Which would you trust?

sunlight

 

[mahoney709]

Thank you


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[Chicxulub]

Moved to setup and filtration