2 - 1 = ?  
Input the result from the expression
Maximum attempts you can try: 10
 

Re: Tank cycle - Ammonia not dropping

Subject: Re: Tank cycle - Ammonia not dropping
by finnipper on 21/9/2013 16:14:03

It will remain static for a while and then suddenly drop to 0 in a few hours. It is normal for it to do this.