Fish & Aquatic Aquarium Heaters & Chillers
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Stable warmth for your aquarium setup Designed to live inline with canister filters, the DaToo Aquarium External Heater blends into your system while delivering consistent warmth across the tank. It supports hobbyists and professional breeders by offering a predictable climate for fish and plants,...
- £63.05
- £63.05
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Precision heating crafted for large tanks Meet the hygger Aquarium Heater, a robust, submersible heater designed to maintain steady warmth in both saltwater and freshwater setups. Built with a durable heating core and a digital control display, it aims to deliver reliable temperature stability...
- £93.55
- £93.55
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Overview Meet Hygger’s 1200W aquarium heater, built to maintain a stable, comfortable climate in large tanks. Its rugged construction blends explosion-proof quartz glass with a high-temperature resistant heating element and a quartz sand thermal conductor, delivering warm, consistent water without abrupt changes. This external...
- £100.73
- £100.73
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HiTauing Aquarium Heater at a glance Meet a versatile submersible heater designed to support both saltwater and freshwater tanks. Available in multiple power levels from 50W to 500W, it helps you tailor warmth to your aquarium's needs while offering a calm, steady heat that...
- £50.95
- £50.95
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Enhance Your Aquarium Heating with Fluval M200 The Fluval M200 200-watt submersible heater is a compact, premium device crafted in Europe to deliver reliable temperature control for both freshwater and saltwater tanks. Its 65-gallon compatibility and slim profile make it easy to place without...
- £49.20
- £49.20
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HiTauing's submersible aquarium heater is built to fit a range of tanks from small 5 gallons to larger displays. Available in 50W, 100W, 200W, 300W and 500W, it delivers quick, stable heat through a robust nickel-chromium wire to help maintain a consistent environment for...
- £39.45
- £39.45
- Unit price
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Reliable submersible heating for tropical tanks HiTauing offers a robust aquarium heater designed for both saltwater and freshwater setups. Available in multiple wattages (50W to 500W), this heater is built to deliver steady warmth for tanks from small to larger spaces. The unit combines...
- £47.66
- £47.66
- Unit price
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Overview Discover the Orlushy 300W Submersible Aquarium Heater, designed to maintain stable warmth in larger tanks (40–60 gallons). Its compact 8.6-inch form fits neatly in most setups, keeping your tank tidy while delivering consistent heat for tropical fish, hardy freshwater species, and even some...
- £40.48
- £40.48
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Reliable Heating for Your Aquarium The HiTauing 200W aquarium heater delivers steady warmth for tanks ranging from 20 to 40 gallons. Its compact 8.3 inch body fits neatly behind decor and filters, while the included 5.9 ft cord provides flexible placement options. The LED...
- £47.66
- £47.66
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Stable, safe heating for 20–40 gallon tanks The Orlushy 200W submersible heater is designed to perform reliably in medium-sized aquariums, covering 20–40 gallons. Its compact 7.5-inch form helps it stay discreet behind rocks and décor while delivering essential warmth where your aquatic life needs...
- £38.43
- £38.43
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HiTauing Aquarium Heater: Reliable Submersible Heating for Freshwater and Saltwater The HiTauing aquarium heater is built to maintain steady warmth in your aquatic world, combining rugged design with precise control. Encased in a protective ABS shell and paired with a quartz glass heating element,...
- £46.82
- £46.82
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Experience reliable warmth for your aquatic habitats The HiTauing Aquarium Heater is engineered to deliver stable, dependable warmth for both freshwater and saltwater tanks. With a robust explosion-proof quartz glass tube and a durable ABS protective shell, this heater resists impact, minimizes risks of...
- £50.73
- £50.73
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Overview Meet the HiTauing Aquarium Heater, a dependable submersible heater designed for both saltwater and freshwater tanks. Available in multiple wattages (50W, 100W, 200W, 300W, 500W), it helps you tailor warmth to your tank size and aquatic life without guesswork. Built for steady performance...
- £43.55
- £43.55
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Hygger 100W Marine Aquarium Heater — reliable warmth for 15-20 gallon tanks In small to medium tanks, stable temperature matters for fish health and behavior. The Hygger 100W heater uses TA2 aviation titanium alloy for corrosion resistance and a robust quartz glass heating element....
- £51.76
- £51.76
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Overview The Zoo Med TURTLETHERM Automatic Preset Aquatic Turtle Heater is designed for dependable, hobbyist-friendly warmth in tanks up to 100 gallons. With a 300 watt element, this heater is calibrated to reach a target water temperature of up to 78°F (26°C), offering a...
- £45.35
- £45.35
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Inkbird ITC-308S: Dual Stage Temperature Controller for Aquariums Temperature stability in an aquarium isn’t just about comfort—it helps residents thrive. The Inkbird ITC-308S offers a compact, reliable way to manage both heating and cooling devices from a single controller. Built for durability and ease...
- £62.77
- £62.77
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Precise aquarium heating with the EHEIM Jager 100W The EHEIM Jager 100W thermostat heater is designed to blend into any freshwater or marine setup with its fully submersible body. A newly designed TruTemp dial lets you recalibrate the temperature within a tight margin, giving...
- £44.95
- £44.95
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Overview The AQUASMITH 100W Aquarium Heater is a compact, reliable heat source designed for 40–50 gallon tanks. At 8.2 inches long and rated for 110–120V, it supports freshwater and saltwater setups. Its robust build blends a quartz-glass heating element, nickel-chromium wire, and a high-temperature...
- £45.61
- £45.61
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Precision temperature control for every aquarium setup Inkbird's Aquarium Heater with Probe Thermostat is a versatile dual-output temperature controller designed to drive external heaters. It’s important to note that this device is a controller, not a heater itself, so you’ll pair it with reliable...
- £46.63
- £46.63
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Overview The EHEIM 3619090 Jager Aquarium Thermostat Heater delivers dependable warmth for large aquariums. With 300 watts of heating power, it’s built to support setups ranging from 159 to 264 gallons, offering a scalable solution for both fresh and marine environments while keeping energy...
- £49.68
- £49.68
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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.

























