Good luck to me. I check if they are broken before I put them in the water with the fish. There was a broken hair in one of the glass heaters. The one that wasn't broken is still working two months later and is at the right temperature.
π Fluval E300 Electronic Heater - 300W Advanced Aquarium Heater for Tanks up to 100 Gallons (A774)
9 Review
Hardy Leaf Black Forest Asian Java Fern Potted Live Water Aquatic Aquarium Plants For Freshwater Fish Tank By Greenpro Microsorum Pteropus
39 Review
Sectional radiator Royal Thermo PianoForte 500, number of sections: 10, 11.7 m2, 1170 W, 800 mm.
31 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
π§² Efficient Magnetic Fish Tank Cleaner: KEDSUM Floating Clean Brush with Handle Design
34 Review
π U-BCOO Aquarium Gravel Cleaner Fish Tank: Manual Siphon for Efficient Filter Gravel Cleaning and Water Change in Tanks
22 Review
Vacuum cleaner TEQQO Aquastick 3 in 1 Power, grey/turquoise
26 Review
Steam cleaner Deerma Deerma DEM-ZQ610 EU, white/red
68 Review