Mr Koizumi Treatments boast decades of koi expertise come together in a range of products designed to ensure the health and vitality of your pond. Mr. Koizumi, a passionate koi enthusiast and expert, has dedicated his life to understanding the intricate balance required for koi to thrive. After years of working with koi farms, breeders, and pond specialists, he developed his own line of products, fine-tuned to meet the specific needs of koi and pond environments.
Mr Koizumi – Bio Clear Flocculant
Mr Koizumi – Bio Clear Flocculant
Mr Koizumi “Bio Clear” contains a composition of 6 concentrated bacteria aimed at the direct breakdown of organic material. These bacteria break down sludge and act on suspended dirt particles, making pond water clearer in a natural way. Additionally, Bio clear bacteria consume the same nutrients that algae need to grow, reducing the risk of algae blooms and green water. Bio clear can also be added to the pond filter to prevent blockages, improve water flow rate, and reduce maintenance frequency. Read more
1 litre treats 20,000ltrs
Available in 5 Litres and 1 Litre
Price range: £14.36 through £46.76 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Mr Koizumi – Clean & Clear
Mr Koizumi – Clean & Clear
Mr Koizumi “Clean & Clear” contains a unique composition of bacteria designed to be used in both pond and pond filter to improve water clarity and health. Regularly adding these bacteria to the pond filter increases biological action, removing pollutants like ammonia and nitrite. Regularly adding Clean & Clear to the pond water makes the water clearer, reduces sludge and organic materials, and keeps the water algae-free. Read more
1litre treats up to 40,000ltrs
Available in 5litre and 1litre
Price range: £16.16 through £60.26 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Mr Koizumi – Filter Start Gel
Mr Koizumi – Filter Start Gel
Mr Koizumi “Filter Start” is a mix of selected Nitrosomonas and Nitrobacter bacteria that actively break down ammonia and nitrite at a temperature from 8°C. Regularly adding these bacteria to the pond filter increases biological action, optimally removing pollutants like ammonia and nitrite and breaking down organic material, thus preventing filter clogging. *Concentrated formula*- MR KOIZUMI “FILTER START GEL” contains around 1 BILLION colony forming units per ml making it one of the highest quality pond filter starters available!
1litre treats up to 20,000ltrs
Available in 5litre and 1litre
Price range: £16.16 through £60.26 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Mr Koizumi – Lactobac
Mr Koizumi – Lactobac
Mr Koizumi “Active Lacto-Bac” contains a variety of beneficial components including enzymes, minerals, probiotics, lactic acids, ferment, trace elements, vitamins, and essential amino acids. It helps prevent fungal infections, fin rot, and various bacterial infections. It also promotes faster healing of wounds and minimizes scar tissue formation. By adding lactic acid bacteria, the water’s balance is maintained, pH levels are stabilized, ammonium and nitrite are bound, and the biological filter is supported. Additionally, it reduces algae growth by depriving them of nutrients, strengthens the immune system, and improves digestion in koi and other fish.
1litre treats up to 20,000ltrs
Available in 5 Litres and 1 Litre
£35.10 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Mr Koizumi – Sludge Remover
Mr Koizumi – Sludge Remover
Mr Koizumi “Sludge Remover” contains bacteria specially developed to reduce the sludge layer. Regularly adding these bacteria to the pond reduces sludge and deposits on the walls and bottom of the pond. Sludge Remover can also be added to the pond filter to prevent clogging by breaking down organic material. This product is particularly suitable for natural down flow filters with lava or substrate.
1litre treats up to 20,000ltrs
Available in 5 litres and 1litre
Price range: £15.26 through £51.26 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Mr Koizumi Clay 86
Mr Koizumi Clay 86
Mr Koizumi Clay 86 is ultra-finely ground (smaller than 50 microns), ensuring optimal solution and dispersion in the water without residue. Due to its extremely fine milling, Clay 86 is not filtered out by drum filters. Immediately after addition, it binds toxins, heavy metals, and other impurities, effectively removing them from the water. The use of Clay 86 goes beyond just improving water clarity; it plays a crucial role in promoting the health and well-being of the fish. This contributes to a healthy environment for your fish, resulting in more vibrant colours and increased activity. The natural minerals in Clay 86 provide the ecosystem with necessary nutrients. Read more
Instructions for Optimal Use:
- Dissolve 10 to 20 grams weekly per 1000 litres of pond water
- First mix with a limited amount of water in a bucket, then spread evenly along the edges of the pond
- The water will initially become cloudy but will clear within 24 hours, depending on the filtration and amount of organic material in the pond
- Clay 86 can also be added directly to feed (1 – 5%) to improve digestion and nutrient absorption.
Available in 2.5kg or 10kg 4x 2.5kg
Price range: £23.39 through £89.99 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Mr Koizumi GH/KH+
Mr Koizumi GH/KH+
Mr Koizumi GH/KH+ is a combination of essential minerals that together ensure the correct mineral balance in the pond. The quality of the mineral balance is extremely important for the growth of aquatic plants and the development of micro organisms. Organic life along with its components survives on these minerals. Organic processes stagnate in soft water. It is essential for stable and healthy pond life to add these essential minerals. Effect of GH/KH+ contains a broad range of minerals and as a result raises the general hardness (GH) and carbonate hardness (KH). It is important to maintain these values at the right levels (GH between 8° and 12°; KH between 6° and 11°) in order to prevent acidification of the water. GH/KH+ is a completely natural product without supplements. It is completely organic and harmless to all pond life, even with threefold overdosing. It is also suitable for ponds used for swimming and harmless to people and animals. Read more
Dosage:
- 100 grams per 1000 litres. Raises the GH by 3° to 5° and the KH by 2° to 3°.
Instructions For Use:
- Spread The GH/KH+ in the water or first mix it in a bucket and distribute evenly over the pond.
Available in 2.5kg or 5kg 2x 2.5kg
Price range: £19.79 through £37.79 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Mr Koizumi Green Control
Mr Koizumi Green Control
Green Control is an entirely natural water improver that makes anti-algae products in many cases redundant. Green Control enriches the water with valuable minerals, improves the health of fish, stimulates the appetite and improves colour development. Green Control increases oxygen levels an can also be used below 10C. Green Control is free from algicide, biocide, zincoxide and copper compounds, Green Control is also suitable for swimming ponds and is harmless to humans and animals. Read more
**Green Control is phosphate free**
Dosage:
- 25g per 1000 litres: initial use: 2 times a month (every 2 weeks).
- Subsequent use: Once a month.
Instructions For Use:
- Spread Green Control in the water and distribute evenly over the pond. Do not dissolve in water in advance.
Available in 2.5kg or 5kg 2x 2.5kg
Price range: £31.49 through £59.39 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Mr Koizumi Subarashi Detox
Mr Koizumi Subarashi Detox
Mr Koizumi Subarashi Detox 1kg is a professional-grade water clarifier designed for use in ponds. It effectively neutralises harmful substances such as ammonia, nitrite, chlorine, chloramine, heavy metals, and acid rain. Ideal for overstocked or polluted systems, immature filters, new fish introductions, breeding, illness, and quarantine. Simply sprinkle 5g per 1,000 litres onto the water surface weekly to maintain stable conditions, or every two hours for polluted systems until improvements are noted. Safe for fish and compatible with UV-light systems, it should be stored dry with the lid securely closed. Read more
Available in 1kg