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Dechlorinator Units

As we all know Chlorine burns fish. It can damage their scales and gills and some severe circumstances it can kill.

Grouped product items
Product Name Quantity
Small Dechlorinator Unit Complete with Pre Filter(WP0018)
£250.00
- +
Medium Dechlorinator Unit Complete with Pre Filter(WP0019)
£275.00
- +
Large Dechlorinator Unit Complete with Pre Filter(WP0020)
£375.00
- +
Water Purifier Housing 10 inch Blue (3/4 inch Female Threaded)(WP0102)
£24.95
- +
Prefilter Cartridge 5 micron 10 inch(WP0021)
£6.95
- +
18 Ltr Filter Gravel 2.0mm to 3.15mm(WP0001-1)
£19.95
- +
Activated Granular Carbon Refill Sack 25 kg(WP0001)
£139.95
- +
In stock

As we all know Chlorine burns fish. It can damage their scales and gills and some severe circumstances it can kill.

Chlorine is added to drinking water in most parts of the world to kill bacteria. It therefore follows that if you fill or top up your pond you are adding chlorine to it and putting your fish at risk.

The equipment used to remove chlorine from water is called a dechlorinator. In simple terms a dechlorinator works by passing water through activated carbon and out into the pond providing chemically cleaner, chlorine free water.

The chlorine content in water varies from area to area and so there are no hard and fast rules as to how long the carbon will work before it is exhausted and needs to be changed, However, the life of the carbon can be prolonged by regularly back-flushing the unit (this should also be carried out before use the first time).

Water should be in contact with the carbon for approximately 4 minutes to enable it to absorb chlorine and any other impurities. If you know how fast you wish to fill your system you can work out what size dechlorinator to buy. Larger units contain more carbon and retain the water longer therefore enabling you to fill your pond faster.

The larger the unit the faster the fill.

Maintenance is easy, all you have to do is make sure that you change the carbon annually and the prefilter element when necessary.

The GAC (granular activated carbon) refills are available from Koi Carp direct to your door and simple instructions to enable you to easily change the GAC will be enclosed with your refil.

Today it really is not worth taking the risk, these dechlorination units are modestly priced to make them accessible for most Koi and serious pond keepers and even the largest in the range of these dechlorination units is only the price of a nice koi, but you can be sure that your water will be far better than any pond that has fresh chlorine content.

If these dechlorination units are not possible for you to buy at the moment then dechlorinators can be purchased from us in liquid form and it is very easy to add that to the water in your pond, see water treatments for information on those products.

The sizes and flow rates of our dechlorinators are listed below. All units supplied with Pre Filter (also available separately)

Small Cylinder: 20,000 Gallons treatment. Contains granulated active carbon granules for removal of chlorines etc. Supplied complete with a 5 micron pre-filter. 12 Litre capacity (180 litres per hour) 26" high x 8" Diameter

Medium Cylinder: 40,000 Gallons treatment. For the safe removal of chlorine and other harmful chemicals in fresh tap water. Supplied complete with a 5 micron pre-filter. 20 Litre capacity (300 litres per hour) 39" high x 8" Diameter

Large Cylinder: 60,000 Gallons treatment. For the safe removal of chlorine and other harmful chemicals in tap water. Contains granulated active carbon granules. Supplied complete with a 5 micron pre-filter. 40 Litre capacity (600 litres per hour) 46" high x 9.5" Diameter

Maintenance is easy, all you have to do is make sure that you change the carbon annually and the prefilter element when necessary.

ModelCapacityFlow Rate (lph)Dimensions
Small 12 Litre capacity 180 litres per hour 26" high x 8" Diameter
Medium 20 Litre capacity 300 litres per hour 39" high x 8" Diameter
Large 40 Litre capacity 600 litres per hour 46" high x 9.5" Diameter

We aim to dispatch orders received before midday Monday to Friday on the same day where possible. In most cases our items are available for 1 to 2 day delivery at a competitive price and are trackable via DPD or APC.

Delivery costs for standard items in the UK - £5.95

(Surcharges do apply to remote postcodes)

Heavy items - £9.95

Pipe - £14.95

Palletised items - Some large oversize products, typically items weighing more than 30kg, may require delivery via pallet. Standard Pallet charge is approx. £50.00. To ensure there are no delays with delivery, please include a contact number when placing the order.

Overseas – DHL and UPS, cost based on weight / volume at checkout.