Fish & Aquatic Aquarium Test Kits
Fish & Aquatic Aquarium Test Kits for UK pet owners — 80 products with free UK delivery. Browse the full range below; stock and prices update live.
Popular picks include Hanna Instruments HI782-25 Marine Nitrate High Range Rea; Freshwater Aquarium Master Test Kit – 950+ Tests for pH,; Miofis ATO NG One Auto Top Off System for Saltwater & Fr.
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OverviewATI presents the ICP-OES Complete Saltwater Test Kit, a practical tool for reef aquarium keepers who want a clear, data driven view of their water chemistry. By revealing daily consumption patterns of essential elements, it helps you plan dosing with intention and respond to...
- £57.88
- £57.88
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Overview The LAZYBONE AQUA NG11 ATO system delivers a thoughtful, long‑life approach to automatic top‑off for both saltwater and freshwater aquariums. With dual optical sensors, it monitors water level to provide steady top‑off that supports consistent salinity and water appearance, while fitting neatly into...
- £46.63
- £46.63
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Overview Discover the WLR Industries Hanna HI772-26 Reagents, a practical 2-pack designed to work with the HI772 Marine Alkalinity (dKH) Checker. These pre-measured reagents are crafted to support up to 50 tests per 2-pack when used with the HI772 checker, offering a streamlined alternative...
- £49.71
- £49.71
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Overview Salifert aquarium water test kits are the benchmark for accuracy and precision. This Alkalinity Calcium Magnesium Combo Test Kit continues the brand’s reputation by detecting small changes in carbonate hardness, magnesium, and calcium without interference from common water contaminants. The sharp, color-coded readouts...
- £62.03
- £62.03
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Meet the Marine Magnesium Checker HC HI783 from Hanna Instruments, a purpose-built tester for saltwater aquariums, marine systems, and aquaculture setups. The digital readout translates complex chemistry into a clear number, helping you track magnesium levels with less guesswork. This checker is designed to...
- £73.27
- £73.27
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Transform your saltwater testing with the HI772 Meet the WLR Industries Hanna HI772 Checker, a handheld colorimeter designed to measure alkalinity in saltwater aquariums, reporting in degrees of carbonate hardness (dKH). Its compact, portable form makes on-the-spot testing practical for reef tanks, marine labs,...
- £82.66
- £82.66
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Calcium testing made simple for saltwater aquariums In marine systems, calcium is a foundational element that supports coral skeletons, shell-forming organisms, and vibrant reef growth. Water sources vary in calcium content and may require careful monitoring as you plan feeding, dosing, and water changes....
- £80.50
- £80.50
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Overview The HI782-25 Marine Nitrate High Range Reagents are replacement reagents crafted for the HI782 Marine Nitrate High Range Checker HC. This set delivers a clean, pre-measured workflow designed to support seawater testing with minimal setup, while preserving accuracy through careful formulation. What’s in...
- £63.05
- £63.05
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Compact precision for ultra-low nitrite testing The HI764 Ultra Low Range Nitrite Checker HC from Hanna is a compact, portable colorimeter designed to detect nitrite at very low concentrations. Its ultraviolet-based measurement approach delivers reliable readings in water samples, making it a practical tool...
- £85.63
- £85.63
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Overview The Hanna HI98319 Salinity Tester is a compact, dependable instrument designed to deliver clear salinity readings in three common scales: parts per thousand (ppt), Practical Salinity Units (PSU), and specific gravity (SG). Whether you’re nurturing a reef aquarium, monitoring coastal waters, or conducting...
- £98.98
- £98.98
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Overview The HI755 Checker HC is a compact handheld colorimeter engineered to simplify alkalinity testing in saltwater aquariums. Instead of handling powders and liquids from traditional test kits, you get quick colorimetric results interpreted by a precise sensor. In marine setups, maintaining stable alkalinity...
- £72.29
- £72.29
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Protect Your Saltwater Aquarium With Smart Testing The API Saltwater Master Test Kit 550-Test is built for hobbyists who want clearer visibility into their marine tank’s health. Rather than relying on guesswork, you’ll have a reliable set of tools to assess essential water conditions...
- £40.49
- £40.49
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Capture and Maintain Healthier Freshwater Water Most aquarium water issues stay invisible until they impact fish vitality. The API Freshwater Master Test Kit helps you quickly gauge five essential water parameters in your freshwater tank: ammonia, pH, high-range pH, nitrite, and nitrate. With professional-grade...
- £48.66
- £48.66
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Fast, reliable water testing at home Safe Home offers the original DIY Bacteria in Water Test Kit, a comprehensive, lab-credible option designed by EPA-certified scientists and manufactured in the USA. The 2-pack provides flexibility to monitor a primary water source and have a spare...
- £39.45
- £39.45
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OverviewThe API Freshwater Master Test Kit is a comprehensive tool for monitoring aquarium water quality. With more than 800 tests available, you can explore a broad spectrum of freshwater parameters and track trends over time, helping you stay ahead of potential issues. It includes...
- £47.15
- £47.15
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Effortless Marine Ammonia Testing for Healthy Aquariums The HI784-25 Marine Ammonia Checker Reagents are the ready-to-use companion to Hanna Instruments' Marine Ammonia Checker HC (HI784). Each kit provides three replacement reagents necessary for ongoing testing and comes in clearly labeled packets with lot numbers...
- £45.61
- £45.61
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OverviewThe ORAPXI pH Meter Salinity Tester is a compact, handheld tool designed for saltwater enthusiasts who want clearer visibility into evolving tank conditions. Whether you’re maintaining a reef, a koi pond, or a saltwater pool, this device collects critical readings in one glance, helping...
- £40.99
- £40.99
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Introducing the Miofis ATO NG ONE Auto Top Off System, designed for saltwater aquariums and adaptable to reef and freshwater setups. Its water drop-shaped housing adds a subtle visual touch to your tank, while the dual optical sensors monitor evaporation and the indicator light...
- £42.53
- £42.53
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Keep aquarium conditions stable with the Freshwater Aquarium Master Test Kit. This comprehensive testing solution is designed for hobbyists who want reliable, actionable data about water quality in both freshwater and saltwater setups. By providing clear results, it helps you observe how small changes...
- £54.56
- £54.56
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Overview Discover the HI782-25 Marine Nitrate High Range Reagents, designed as replacement packets for the HI782 Marine Nitrate High Range Checker HC. These reagents are pre-measured for quick use, crafted with high-purity chemicals, and clearly marked with lot numbers and expiration dates to support...
- £39.36
- £39.36
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