Lifegard Aquatics Preset Quartz Glass Aquarium Heaters Size:50 Watts while biological gravel media facilitates

while biological gravel media facilitates beneficial bacteria growth

Eliminates ammonia stress and promotes healthy gill function of pond fish

The optional air blower agitates the media inside the filter prior to back-flushing

they offer more of an option to adjust flow rates through different air stones and help eliminate back-pressure

Lifegard Aquatics Preset Quartz Glass Aquarium Heaters Size:50 Watts while biological gravel media facilitatesShips from manufacturer, typically in 5 7 business days Safe temperature zones are essential to tropical fish. While temperate fish like goldfish can survive in the wide range of household temperatures, fish from tropical climates require warmer temperatures. Lifegard Aquatics Preset Quartz Glass Aquarium Heaters allow you to heat aquariums to a healthy 78F, with no temperature adjustment needed after installation. Submersible and shatterproof Safe