tbrazil230
Aquarium Advice Activist
A buddy of mine has a 35 hex tank and about 4 or 5 months ago he replaced his heater with 1 from Walmart well sometime yesterday it malfunctioned and didn't shut off and when I picked him up for work this morning his water temp was all the way up to 100 degrees and all but 1 small angel was dead, now I'm worried that my top fin heater might do the same thing, is this a common problem and I though they were designed to fail in the off position