I use them in 8ft x 3ft galvanized steel feeders that hold lime saturated water and are about 12 inches deep. The tanks are stock, which is between 50 and 65 degrees. My heater is set at 73 degrees and keeps it at that temperature with no problem. These heaters are immersed in lime water with a pH of 14 and can withstand this harsh, corrosive environment for a few winters.
Hardy Leaf Black Forest Asian Java Fern Potted Live Water Aquatic Aquarium Plants For Freshwater Fish Tank By Greenpro Microsorum Pteropus
39 Review
Tetra HT Submersible Aquarium Heater: Efficiently Regulate Temperature with Electronic Thermostat
9 Review
YukiHalu Mini Submersible Aquarium Heater With Thermometer And Temperature Controller - 25W, 50W, 100W, Or 200W Options For 5-40 Gallon Fish Tanks
25 Review
Accumulative electric water heater Thermex Ceramik 50 V, white
11 Review
๐งฒ Efficient Magnetic Fish Tank Cleaner: KEDSUM Floating Clean Brush with Handle Design
34 Review
Mini pump Xiaomi Mijia Electric Pump 1S, plastic, black
55 Review
Jasonwell Magnetic Aquarium Fish Tank Glass Algae Cleaner - Floating Brush (L Size)
37 Review
๐ U-BCOO Aquarium Gravel Cleaner Fish Tank: Manual Siphon for Efficient Filter Gravel Cleaning and Water Change in Tanks
22 Review