Delivery to mainland UK only · Free delivery on orders over £45
Koi Carp Water Treatments discover our comprehensive range of designed to ensure your koi pond environment thrives!
From essential water conditioners to powerful biological additives, we provide everything you need to maintain optimal water quality and promote the growth of beneficial bacteria.
Trust in our products to keep your aquatic ecosystem healthy, balanced, and flourishing.
Showing 25–48 of 65 results
Aqua Source KH Buffer Up stabilises pond water pH, prevents pH crashes, boosts KH for water health and enables effective biological filtration.
Safely clean your pond equipment with Aqua Source Multi-Purpose Pond Cleaner, a non-chemical solution for filters, pumps, and more.
Bactoplus Activator Gel accelerates bacterial activity, improving pond water quality and reducing algae growth, suitable for new and existing ponds.
Bactoplus BSO Sludge Buster efficiently breaks down pond sludge, promoting a clean and healthy pond environment with regular use.
Bactoplus Filter Start accelerates filter system startup, promoting clear water, boosting fish resistance, and allowing earlier spring feeding.
Bactoplus Lacto Health Probiotic enhances fish health naturally, promoting quick healing, disease prevention, and positive water quality effects.
Bacto Plus Ohmizu Clay enhances Koi pond water by adding valuable minerals, removing contaminants, and promoting crystal clear, healthy conditions.
JPD Mud Booster Clay is from Japan, rich in minerals, high in Montmorillonite content from Japan and designed for filter efficiency and crystal-clear ponds.
Bactoplus Filter Start Gel jumpstarts new filters, aids maintenance, and resolves water quality issues with a potent blend of AOB and NOB bacteria.
Bactoplus Fresh PSB Spray enhances fish growth, health, and color with natural carotene and unique living Photo Synthetic Bacteria (PSB) culture.
Powerful, effective and easy to use, Colombo Algisin is a fast-acting treatment for troublesome fish pond blanket weed.
Colombo NH3 Ammonia Test Kit: Easily monitor ammonia levels in your koi pond for a safe environment. Fast, accurate testing for fish health.
With optimal bacteria strains, Colombo Bacto Balls swiftly balance pond environment conditions by clearing ammonia, nitrite, and organic waste.
Colombo Bactuur Activator enhances beneficial bacteria activity for a quick start-up of bio filters, improves water quality, and reduces algae growth.
With over 800 million nitrifying bacteria, Colombo Bactuur Filter Start activates new as well as maintaining existing biological pond filters.
Stabilize pH, restore hardness, and enhance mineral content in your pond with Colombo Balantex, the solution for a balanced aquatic environment.
Colombo BiOx enhances pond oxygenation, decomposes sludge, and prevents algae, creating a cleaner, healthier environment for fish and plants.
With over 100 million living bacteria, Colombo Bactuur Clean efficiently decomposes pond sludge and maintains essential filter bio-film.
Colombo Fish Protect enhances fish mucus layer using colloids and vitamins, removes chlorine, toxic substances and pollution, and clarifies water.
Colombo GH+ enhances pond water hardness for fish health, with options for various pond sizes.
Colombo KH Pond Test Kit is an accurate liquid test to easily measure carbonate hardness in your koi pond to prevent pH swings.
Essential for fish and plant health, Colombo KH+ stabilizes pond pH by increasing carbonate hardness.
East to apply and with vitamins and trace elements, Colombo Morenicol Vita-Spray enhances fish recovery and boosts appetite during illness.
Essential for fish health and with easy dosage, Colombo pH Min contains specially selected active substances to safely lower pond water pH.
