Sicce SCUBA Preset 100 - Submersible Heater - 100 Watt Xtreme This helps to prevent precipitation

This helps to prevent precipitation of calcium

As with any food

use Seachem StressGuard™

Add 5 to 10mL (1 to 2tsp) per 50 gallons aquarium water in an area of high water flow

Sicce SCUBA Preset 100 - Submersible Heater - 100 Watt Xtreme This helps to prevent precipitationSCUBA PRESET Fully submersible electronic aquarium heater PRE SET at 77F (25C), equipped with Run Dry protection, an industry leading Warranty of 5 years, and FULL RANGE available from 50 Watts up to 300 Watts. PRESET Precise temperature always at 77F 2F pre Calibrated and set to 77F (25C). 5 YEAR WARRANTY (YES, You heard that right!) Made from High Thermal Density and Shatter Resistant Quartz Glass Tube Run dry protection with safety control heater