Atlantic Water Gardens 300 Watt Pond De-Icer Tabs/Packs The brass center nozzle sprays

The brass center nozzle sprays up to 40'

3" blade width makes for quick aquarium cleaning

A general recommendation is never to change the pH by more than 0

At the same time

Atlantic Water Gardens 300 Watt Pond De-Icer Tabs/Packs The brass center nozzle spraysWhen your pond freezes over, oxygen cannot get in and waste gases cannot get out. This can be deadly to your fish! The Atlantic Water Gardens Pond De Icer fixes that by keeping a hole open in the ice to allow the free flow of gases. Constructed of high strength and temperature resistant PPS polmer, this de icer is incredibly durable. An internal thermostat turns the heater on just above freezing for automatic, energy conscious operation. Allows oxygen