<a href=showthread.php?s=&postid=12579029#post12579029 target=_blank>Originally posted</a> by docwells
I am looking for a recomendation on which unit to use. I have a 69 gallon tank with a 25 gallon sump. That puts me between a PTC3 and 4 gallonage wise. My tank usually runs about 79 and goes up to 83 with the MH on. Would I be able to get away with the PCT3 or should I go to the next size up?