Do these readings show a cycled tank?
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Wolfwood2186
Aquarium Advice Apprentice
nitrate is super high i would do round about a 50% water change and let it sit for a few more days and test again you prolly want the nitrate below 40ppm
Most likely, yes. Do you have fish in the tank? I agree, do a 50 percent water change, does ammonia up to four parts per million wait 24 hours and test again. If ammonia and nitrites are 0, then your tank is fully cycled. Do a 90 percent water change the day before you buy fish.
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Last edited:
threnjen
Aquarium Advice Addict
The responses were a tad unclear, you didn't provide info about your cycle method so there are two possibilities:
1) cycled fishless. Keep dosing ammonia every few days. The day before fish, do as big a WC as possible (90%+). Do not dose ammonia. Add fish in appx 24 hours.
2) cycled fish-in. Do at most 50% WC at a time, but you can do them within a few hours of each other safely. Bring nitrates to 20ppm or less.
1) cycled fishless. Keep dosing ammonia every few days. The day before fish, do as big a WC as possible (90%+). Do not dose ammonia. Add fish in appx 24 hours.
2) cycled fish-in. Do at most 50% WC at a time, but you can do them within a few hours of each other safely. Bring nitrates to 20ppm or less.
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