Aqueon Aquatic Preset Heater - 150w - Ideal for Aquariums Up To 55 Gallons Fish Food it is NOT a "Gutload"

it is NOT a "Gutload"

1 gallon of RO/DI or filtered water

calcium phosphate

so you don

Aqueon Aquatic Preset Heater - 150w - Ideal for Aquariums Up To 55 Gallons Fish Food it is NOT a "Gutload"Aqueon Preset Heaters require no adjusting! The preset temperature has been calibrated to 78, appropriate for most tropical fish. The fully submersible heaters are constructed of shatter resistant quartz glass and features an automatic safety shut off to avoid overheating. An LED indicator light displays red when actively heating. Preset to 78, accurate to + 1 No adjustment required Shatter resistant Fully submersible, auto shut off when overheats,