Originally Posted by hardcrab67
You can do a 20%- 50% every couple of days. What are your EXACT readings. Prime will detoxify Nitrites, Ammonia, and Nitrates, Running Carbon won't hurt. Find some good water and mix for 24hrs at least before change.
1.024
ph8.2
nh3/4 = .25
No3= 50
no2=.5
got...