I just wanted to add: If you are raising the temp of the water, you need to be careful of the amount of O2
in the tank. At higher temps, the O2
concentration is low as theotheragentm has mentioned. If you/she is using a HOB
type filter, lowering the water level would be a great idea. Even if it's not a HOB
, the general idea is the same. You need to increase the amount of surface agitation to keep the O2
levels in check.