Aquatop Digital Temperature Controller for TH Series Titanium Aquarium Heaters - Precise Water Heating for Saltwater & Freshwater Fish Tanks

Aquatop Submersible Titanium Heater with Digital Controller - 100W/200W/300W/500W for Fish Tanks & Aquariums | Precise Temperature Control for Tropical Fish, Saltwater & Freshwater Tanks

Aqua Life Therma Temp Digital Standing Thermometer for Aquariums, Fish Tanks & Ponds - Accurate Water Temperature Monitoring for Healthy Fish & Aquatic Life

Cascade Heat Aquarium Heater - Submersible Fish Tank Water Heater with Adjustable Thermostat for Tropical Fish, Betta, Goldfish | Perfect for Freshwater & Saltwater Aquariums