Yeah its a Biorb 30 litres, with 3 Female Guppys and 5 Minnows. Its been running since mid September 2011 (We lost our first 4 Guppys) we did a water change earlier today and the readings after the Water change were:
Amonia 0
PH 7
Nitrite 0
Nitrate 25 ( :/ )
1. Amonia 0 PH 7 Nitrite 0 Nitrate...