7 - 2 = ?  
Input the result from the expression
Maximum attempts you can try: 10
 

Re: Jack Dempsey strange behaviour.

Subject: Re: Jack Dempsey strange behaviour.
by Orpen on 2013/3/1 21:37:36

These are the last test results:-

Nitrite 20
Nitrate 0
GH 75
KH 40
PH 6.8

Len.