retorres70
Aquarium Advice Apprentice
how much and how often should i do water changes when cycling my 66 gal tank? or any at all.
water changes
- Thread starter retorres70
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TankGirl
Aquarium Advice Addict
If it is fishless, not necessary as long as you are maintaining your ammonia levels. If you add too much ammonia it can slow the cycle so that would be the only time I can think of.
chasgood
Aquarium Advice Freak
With fish 10 to 15% percent weekly water change or if the ammonia or nitrites gets to dangerous levels.
Dont let ammonia or nitrites get much over 4.0ppm. 2 weeks of the cycling I had to do 10% changes twice weekly.
Dont let ammonia or nitrites get much over 4.0ppm. 2 weeks of the cycling I had to do 10% changes twice weekly.
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