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I had a fish die the other day (my favorite little pleco :icon_frow ) so I immediately tested my water parameters. Ammonia and Nitrite were both 0, but my nitrates were really low, around 5ppm. The tank has been fully established for 5 months or so with no fish deaths and everyone seems pretty happy and healthy to me. When I was cycling the tank, my nitrates were around 20ppm which seemed pretty normal to me.
I just set up pressurized CO2 in the tank and stopped dosing excel last week, and I am still getting things dialed in. The CO2 levels are really low (the indicator is still blue) and I am currently playing with the doses to get the concentration right. I dose a diluted solution of flourish every day (it adds up to the recommended doses per week), but that will change when I get my macro ferts in a couple days.
The tanks pretty well planted with a gravel substrate, two HOBs running. I also do regular water changes (20-30% a week) and vacuum part of the gravel.
Anyone see a reason my nitrates would be so low?
I just set up pressurized CO2 in the tank and stopped dosing excel last week, and I am still getting things dialed in. The CO2 levels are really low (the indicator is still blue) and I am currently playing with the doses to get the concentration right. I dose a diluted solution of flourish every day (it adds up to the recommended doses per week), but that will change when I get my macro ferts in a couple days.
The tanks pretty well planted with a gravel substrate, two HOBs running. I also do regular water changes (20-30% a week) and vacuum part of the gravel.
Anyone see a reason my nitrates would be so low?