Posted: Thu Jun 21, 2007 8:03 pm
yes it will still work and as for useing it in a bigger tank it should be ok but it mostlikely won't get the water temp up to the temp you have it set for but it could just make sure you have a therm. in there to make sure you keep it at the right temp.
I have 5 RES, 2 ASN, and 1 DBT