Fish & Aquatic Aquarium Heaters & Chillers
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Meet AquaMiracle's 100W Tank Heater, designed for 10-20 gallon aquariums and turtle habitats. This compact device blends dependable warmth with a user friendly interface, helping you nurture healthy aquatic environments without guesswork. Precise temperature control Powered by advanced inverter technology and integrated control chips,...
- £38.43
- £38.43
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OverviewMeet the PAIZOO Aquarium Chiller Fan, a compact cooling companion designed to support stable water conditions in diverse aquatic setups. Its thoughtful design blends real-time visibility with practical automation, making it easier to respond to temperature changes without added effort.Smart Monitoring for Precise ControlInside...
- £40.48
- £40.48
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Smart heating for 15-25 gallon tanks Maintaining a steady, comfortable temperature is key to healthy fish, turtles, and aquatic plants. The SEAOURA 100W aquarium heater is designed for mid-sized tanks (15-25 gallons) and is built to deliver reliable warmth with thoughtful features. Its compact...
- £44.47
- £44.47
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Precision and simplicity: AQUASMITH Aquarium Heater Designed for compact tanks, the AQUASMITH heater blends a slim external controller with a submersible heating rod. The 50W variant is ideal for small setups up to roughly 4 gallons, including turtle habitats, while larger wattages scale to...
- £37.71
- £37.71
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OverviewMeet the SEAOURA 200W aquarium heater, designed to support 30-40 gallon setups with reliable warmth in both freshwater and saltwater environments. This submersible heater works with a compact footprint and includes an external LED controller for convenient, hands-on temperature management. With a robust build...
- £49.60
- £49.60
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Overview The Vatalley Aquarium Heater is designed to fit mid-to-large home aquariums, accommodating 40-75 gallon tanks in both freshwater and saltwater setups. Available in 200W, 300W, and 500W variants, it blends practical engineering with a clean, durable design to help you maintain a steady,...
- £45.61
- £45.61
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Compact, powerful, and precise The Vatalley small aquarium heater is built for tight spaces in 1-10 gallon tanks. Available in 50W, 100W, 200W, 300W, and 500W, it tucks neatly behind décor while delivering stable warmth. The temperature range runs from 59℉ to 93℉ with...
- £38.43
- £38.43
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Overview The PAIZOO Aquarium Chiller Fan delivers compact, dependable cooling for both freshwater and saltwater tanks. Paired with a precise temperature probe and a large LCD display, it makes monitoring simple and adjustments straightforward, so you can focus on your aquatic ecosystem rather than...
- £42.53
- £42.53
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OverviewMeet the HANLESHUKA Submersible Aquarium Heater, a versatile option built for reliability in fish and turtle habitats. Available in 100W, 200W, 300W, and 500W, this heater is designed for freshwater and seawater setups, delivering steady warmth with smart controls and protective features.Premium safety and...
- £41.50
- £41.50
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Dependable, Precise Heating for Freshwater and Marine Aquariums The EHEIM Jager 150W Aquarium Thermostat Heater is built to vanish into the background of your tank while delivering steady warmth. With a design that embraces full submersion, it stays in place as your aquatic landscape...
- £45.61
- £45.61
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Reliable heat for your aquarium, crafted for everyday care The Vatalley Submersible Fish Tank Heater is designed to keep your 20-40 gallon setup comfortably warm with consistent, human-safe temperatures. Built with a high-durability ABS shell and a quartz glass heating element, it delivers sturdy...
- £40.48
- £40.48
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Overview The Devopet 100W Aquarium Heater is designed for 10-20 gallon tanks, delivering reliable warmth in a compact 5.3-inch form. Its slim profile helps it blend into your aquarium while maintaining a steady environment for fish, tropical species, reef setups, or turtle habitats. Durable,...
- £38.43
- £38.43
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Reliable heating for your aquarium—without guesswork The FREESEA Aquarium Heater is designed for 40 to 75-gallon tanks, supporting both saltwater and freshwater environments. With multiple wattage options (100W, 200W, 300W, 500W), you can select the right fit for your setup and keep water comfortably...
- £48.68
- £48.68
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Overview Meet the AquaMiracle 200W aquarium heater—a smart, compact solution designed to help your aquatic life thrive. Built to heat efficiently and maintain a stable environment, this heater blends advanced technology with practical protections to support healthy tanks without guesswork. Fast, precise heating with...
- £42.53
- £42.53
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Overview The ZazaFi Aquarium Heater 300W is designed to deliver dependable warmth for medium to large tanks, typically fitting 40–75 gallons. Built around a stable nickel-chromium heating wire and encased in explosion-proof quartz glass, it provides fast, even heat while a robust ABS shell...
- £40.48
- £40.48
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hygger 200W Aquarium HeaterDesigned for 20–40 gallon tanks, this submersible heater delivers steady warmth for both freshwater and saltwater setups. The external controller lets you set a precise target in a comfortable range from 59°F to 93°F (15–34°C), with small 0.5°F increments to fine-tune...
- £49.71
- £49.71
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HiTauing 500W Aquarium Heater: Stable Heat for Larger Tanks Designed for tanks from 75 to 120 gallons, the HiTauing 500W heater provides quick, steady warmth to support a thriving aquatic environment. Submersible and suitable for both freshwater and saltwater, it pairs a clear LED...
- £55.87
- £55.87
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Precision heating for thriving aquariums The hygger 1000W Aquarium Heater is engineered for larger freshwater and saltwater setups, commonly suitable for 130 to 160 gallon tanks. With a compact 10.8 inch length and a 110-120V supply, this heater fits securely in most deep or...
- £91.50
- £91.50
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Overview The Hygger Aquarium Heater 800W is a dependable heating solution designed for larger freshwater and saltwater tanks. For best results, choose the wattage that matches your tank size using Hygger’s size chart, with the 800W variant recommended for many 80 to 220 gallon...
- £84.32
- £84.32
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Smart heating for freshwater and saltwater tanksKeep your aquatic life comfortable with Hygger's submersible aquarium heater, available in 300W, 500W, 800W, and 1000W. Sized for 40 to 80 gallon tanks, this heater blends into the aquarium with a slim 10.8 inch body and a...
- £75.08
- £75.08
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Fish & Aquatic Aquarium Heaters & Chillers for UK pet owners — 184 products with free UK delivery. Browse the full range below; stock and prices update live.
Popular picks include hygger Aquarium Heater 300W-1000W | Submersible with Dig; HiTauing Aquarium Heater — Submersible 50W-500W with Ove; HiTauing 300W Aquarium Heater — Submersible with LED Dig.


























