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Johney Blaze
01-11-2019, 12:59 PM
What's a good nitrates level for a discus tank ? At what nitrate level does the discus begin to have issues ?
jeep
01-11-2019, 01:19 PM
<5
Johney Blaze
01-11-2019, 02:27 PM
Thank you very much JEEP.