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Colombo Aquatest Kit KH Carbonate Hardness
£8.00The Colombo Aquatest Kit KH (Carbonate Hardness) is a reliable and easy-to-use water testing kit designed to measure carbonate hardness in aquariums and ponds. KH plays a vital role in stabilising pH levels, helping to prevent sudden fluctuations that can stress fish and disrupt biological filtration.
Using a simple liquid testing method, this kit delivers accurate and easy-to-read results in minutes. It is suitable for both beginners and experienced aquarists, making routine water monitoring straightforward and effective. By regularly testing KH levels, you can ensure your water remains stable and safe for fish, plants, and beneficial bacteria.
Stable carbonate hardness is essential for maintaining a healthy aquatic environment, especially in koi ponds and heavily stocked aquariums. It supports consistent pH balance and helps biological filtration systems function efficiently.
The Colombo Aquatest KH Kit is an essential tool for any water care routine, allowing you to detect and correct imbalances early. This helps prevent water quality issues and promotes long-term health and clarity in your pond or aquarium.
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Sale!
COLOMBO LERNEX ANTI FLUKES/WORMS 20000L 800G
Original price was: £72.99.£67.99Current price is: £67.99.Colombo Lernex Anti Flukes/Worms 800g (20,000L) is a powerful pond treatment designed to eliminate internal and external parasites in koi and ornamental fish. It effectively targets flukes, roundworms, tapeworms, and other harmful parasites that can negatively impact fish health and wellbeing.
Parasite problems often show through symptoms such as flashing, clamped fins, weight loss, excess mucus, and reduced appetite. Lernex works to remove these parasites at the source, helping restore fish vitality and improve overall pond conditions.
Suitable for larger ponds, this 800g treatment is easy to dose and integrates into regular maintenance routines. It can be used to treat active infestations or as part of a preventative health programme.
For best results, ensure good aeration and turn off UV clarifiers during treatment. Colombo Lernex helps maintain a cleaner, healthier, and more balanced pond environment for long-term fish health.
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Sale!
Colombo Lernex Pro 1L Flukes & Parasite Treatment
Original price was: £74.95.£67.99Current price is: £67.99. -
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Coppens Koi Food Growth 3mm
Price range: £9.50 through £45.00Coppens Koi Food Growth 3mm is a high-protein sinking pellet designed to support rapid growth, strong development, and overall health in koi and pond fish during active feeding seasons.
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Coppens Koi Food Growth 6mm
Price range: £27.50 through £45.00Coppens Koi Food Growth 6mm is a high-protein sinking pellet designed to promote rapid growth, strong body development, and overall health in koi and pond fish during active feeding seasons.
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Coppens Koi Food OSW 3mm
Price range: £27.50 through £45.00Coppens Koi Food OSW 3mm is a premium sinking pellet designed to support healthy growth, strong development, and vibrant colours in koi and pond fish during warmer feeding seasons.
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Coppens Koi Food OSW 6mm
Price range: £9.50 through £45.00Coppens Koi Food OSW 6mm is a premium sinking pellet designed to support healthy growth, strong development, and vibrant colours in koi and pond fish during warmer feeding seasons.
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Coppens Koi Food Wheatgrem 3mm
Price range: £27.50 through £45.00Coppens Koi Food Wheatgerm 3mm is a highly digestible wheatgerm-based sinking pellet designed for koi in cooler temperatures, supporting health, immunity, and easy digestion during winter and low-temperature conditions.
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Coppens Koi Food Wheatgrem 6mm
Price range: £27.50 through £45.00Coppens Koi Food Wheatgerm 6mm is a highly digestible sinking pellet designed for koi in cooler water temperatures, supporting health, immunity, and easy digestion during winter and low-temperature conditions.
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Coral RX coral dip 30ml
£22.99Effective coral dip that removes pests and parasites while remaining gentle on all coral types—ideal for safe introduction of new corals.
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D-D Pen Type Digital TDS Meter
£21.99The D-D Pen Type Digital TDS Meter is a compact, easy-to-use tester for measuring Total Dissolved Solids in aquarium and RO water. Ideal for monitoring water purity and RO system performance.
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D-D Solutions Inline TDS Meter
£44.99The D-D Solutions Inline TDS Meter provides accurate, convenient monitoring of TDS levels in RO water. Ideal for aquariums, it helps check RO system performance and maintain high-quality purified water.
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D&D Aquascape Construction Epoxy – Coralline Algae Colour
£6.99A reef-safe, high-strength epoxy putty designed for bonding live rock and securing coral frags directly underwater. Its natural coralline algae colour blends seamlessly into reef aquariums, providing a discreet and professional finish. Easy to knead and apply, it cures quickly to create a strong, long-lasting hold—perfect for building, repairing, and stabilising aquascapes.
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D&D Aquascape Construction Epoxy – Slate Grey Colour
£4.99The D-D Aquascape Construction Epoxy – Slate Grey is a strong, aquarium-safe two-part epoxy designed for bonding rock, coral, and decorations in marine and freshwater setups. It is ideal for building stable aquascapes and securing structures that need long-term strength and reliability.
Easy to mix and apply, the epoxy can be used both underwater and above water, forming a durable bond that holds firmly even in high-flow environments. It is perfect for fixing live rock, attaching coral frags, and stabilising aquascape layouts.
The slate grey colour blends naturally into rockwork, helping it stay discreet within the aquarium. Safe once cured, it provides a long-lasting solution for creating secure and visually natural aquascapes.
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D&D ClariSea Replacement XL Fleece SK-3000 (40m)
£14.99The D-D ClariSea Replacement XL Fleece SK-3000 (40m) is a high-quality replacement roll designed for the ClariSea SK-3000 automatic fleece filter system. It provides efficient mechanical filtration for marine and freshwater aquariums, removing fine particles, detritus, and organic waste to maintain crystal-clear water.
With a 40-metre XL length, it offers extended lifespan and fewer replacements compared to standard rolls. The fleece automatically advances as it clogs, ensuring continuous, low-maintenance filtration.
Ideal for reef and fish systems, this durable, recyclable fleece improves water quality, reduces maintenance, and supports a cleaner, healthier aquarium environment.
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D&D ClariSea Replacement XL Fleece SK-5000 (40m)
£19.99The D-D ClariSea Replacement XL Fleece SK-5000 (40m) is a high-capacity filter roll designed for the ClariSea SK-5000 automatic fleece filtration system. It provides highly efficient mechanical filtration for marine and freshwater aquariums, removing fine particles, detritus, and organic waste to maintain crystal-clear water.
With a 40-metre XL length, it offers extended lifespan and fewer replacements, making it ideal for high-demand aquarium systems. The fleece automatically advances as it becomes clogged, ensuring continuous, low-maintenance filtration and consistent water flow.
Perfect for reef tanks and heavily stocked systems, this durable and recyclable fleece helps improve water quality and supports a cleaner, healthier aquarium environment.
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D&D Dual Heating and Cooling Controller
£49.99D&D dual heating cooling controller, aquarium temperature controller, heater chiller controller, marine aquarium thermostat, freshwater tank controller, dual stage temperature control, digital aquarium controller, fish tank temperature regulator, reef tank controller, aquarium equipment, stable water temperature controller
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