
DX50 Chlorine Dioxide | Water Treatment, Fungicide & Organic Sanitiser
Made in New Zealand, DX50® is stabilised Chlorine Dioxide (ClO₂) (No Free Chlorine), chemically engineered to kill 2.46x better than Chlorine whilst being environmentally friendly. A wide range of industries now have a safer, more effective sanitising alternative.
MPI approved, scientifically superior sanitiser, water treatment and fungicide.
Let customers speak for us
from 217 reviews
We have been using DX-50 for about two years now and think it is great. Our water supply is tank water from the rain off of our roof. It tastes much better with the DX-50 treatment. We also use a 5ml per one litre of water as a mouthwash each night. It leaves our mouths feeling fresh and clean and prevents the buildup of plaque. Good Stuff !!

Works great with minimal odour

DX50 Water Tank Treatment

Was having SO much trouble with our tank water - test results came back with ecoli 14 times higher than safe drinking levels. The water stunk and it was a nightmare. I shock dosed the heck out of our water with this, the company states 10times the regular dose is still within safe range - so that’s what I did and also poured some down our gutter pipes for good measure. It’s now clean and test results have come back safe to drink. Will now be using this as a regular monthly dose to keep it that way.
So thankful for this product. Will be using this for as long as we are on tank water!

Southwell Fungicide

No smell of dirt etc in our drinking water , bet the cows love it too , good stuff

DX50 Water Tank Treatment

The ratio given is really easy to use for for the different size tanks we have.

Glad you sold DX50 in 2Ltr containers.
Product working great.
Super fast delivery.

I had deadly Staphylococcus Aureus all over my hands and foot and thought I was going to lose a limb or two.. I accidentally splashed some DX50 on my wounds a couple of times a day and the sores went away as if by a miracle. It saved my life. I don't use those words lightly.
Also great for sanitising water tanks. And a great company really fast turnaround.

gd hassle free delivery

DX50 Dairy Sanitiser

I had some early blight showing on leaves and fruit from December. I have pruned all leaf and fruit with disease and then sprayed DX50 fungicide 4 times in the evenings of that first week. One week later (after being away), i have come home to disease free fruit and vines!
I will keep up with the evening spray a couple times a week still.

I bought the DX50 water tank treatment to make the drinking water in my Campervan safe to drink. It gives me confidence in the health of the tank water at all times whenever I'm traveling around the country in my van. Allan

Love this chlorine dioxide do all my tanks for the animals too. Easy to use and not expensive. No nasty taste just great tasting clear water. Thank you
Featured products
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DX50 Water Tank Treatment
4.71 / 5.0
(148) 148 total reviews
Regular price From $69.00 NZDRegular priceUnit price / per -
DX50 Sanitiser
4.73 / 5.0
(15) 15 total reviews
Regular price From $97.75 NZDRegular priceUnit price / per -
Southwell Fungicide
4.6 / 5.0
(30) 30 total reviews
Regular price From $69.00 NZDRegular priceUnit price / per -
DX50 Dairy Sanitiser
4.83 / 5.0
(6) 6 total reviews
Regular price From $198.95 NZDRegular priceUnit price / per
Use for industries
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Water Treatment
Place OrderDX50® Water Treatment is a solution commonly used in the disinfection of municipal drinking water and food products. DX50® Water Treatment inactivates bacteria, spores, fungi, moulds, biofilms, and viruses.
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Poultry
Place OrderChlorine Dioxide is a safe, versatile, antiviral water treatment that is suitable for a number of poultry applications. DX50® is scientifically more intelligent solution that kills a wider range viruses, fungi, and mould.
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Dairy Farming
Place OrderStandard chlorine doesn’t differentiate between bad bacteria and good bacteria. That's a problem: the entire farming system relies on good bacteria: for soil fertility, animal digestion and more. DX50® Chlorine Dioxide, a superior Dairy Sanitiser that kills 2.46x better than Chlorine and will keep your pond happy without nasty residues.
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Meat Works
Place OrderIn the meat industry, the economic importance of sanitising operations in controlling food-spoilage organisms has been found to be so great, the primary objective in cleaning is not the destruction of infectious agents (although crucial), but a reduction of the number of microorganisms which might contaminate the product. DX50®'s pathogenic kill-range under a wide pH conditions at low concentrations makes it perfect for the meat industry.
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Horticulture
Place OrderChlorine Dioxide Fungicide in solution acts by penetrating the cell wall of the target organism and disrupting its food supply. It is accelerated in the presence of bacteria or organics. Due to this mode of action, disease bearing organisms do not build up resistance to the product.
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Viticulture
Place OrderChlorine Dioxide is the ideal Fungicide for grape harvesting and wine production. It controls both fungal and bacterial diseases and is not subject to bacterial or fungal resistance. Chlorine Dioxide is able to breakdown the bio-film that shields pathogens from standard sanitisers. Also suitable for sanitising production equipment.
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Breweries
Place OrderDX50 Chlorine Dioxide Sanitiser provides a superior solution for brewing industries. Common applications include cleaning of tanks and lines, general sanitation of the environment, bottle and caps sanitation, water treatment and more.
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Fishing Industry
Place OrderChlorine Dioxide was originally created for the fishing industry as a way to resist the spoilage process to enable longer periods of fishing. Ice made from liquefied Chlorine Dioxide is able to kill the pathogens that cause decay and so prolongs freshness.
Case Studies
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Hawkes Bay water supply scheme ditches chlorine
Faced with an expensive UV system upgrade or dosing ‘significantly’ more chlorine to treat its fresh bore water under the New Zealand’s new water regulations, a private water supply scheme...
Hawkes Bay water supply scheme ditches chlorine
Faced with an expensive UV system upgrade or dosing ‘significantly’ more chlorine to treat its fresh bore water under the New Zealand’s new water regulations, a private water supply scheme...
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Medicinal cannabis grower switches to DX50 chlo...
DX50 chlorine dioxide enables medicinal cannabis grower Kalyx to produce top grade products that meet the world’s toughest standards. In this blog, co-founder Dwight Bailey talks about Kalyx's hydroponic facility...
Medicinal cannabis grower switches to DX50 chlo...
DX50 chlorine dioxide enables medicinal cannabis grower Kalyx to produce top grade products that meet the world’s toughest standards. In this blog, co-founder Dwight Bailey talks about Kalyx's hydroponic facility...
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DX50® helps keep Greenshell mussel exports safe...
One of New Zealand’s best export successes is our seafood industry, and our favourite Greenshell™ mussels (Perna canaliculus) are one of the star performers. Rated as one of the world’s...
DX50® helps keep Greenshell mussel exports safe...
One of New Zealand’s best export successes is our seafood industry, and our favourite Greenshell™ mussels (Perna canaliculus) are one of the star performers. Rated as one of the world’s...
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DX50® Water Treatment Visentia
Situation A local subsidiary of a global food brand had challenges with the fresh water used in their plant for fruit washing operations and direct integration into the concentrated fruit...
DX50® Water Treatment Visentia
Situation A local subsidiary of a global food brand had challenges with the fresh water used in their plant for fruit washing operations and direct integration into the concentrated fruit...
Blog posts
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How often should I treat my water tank?
Wondering how often to treat your water tank with DX50? Keeping your water safe and clean is easier than you think. Our latest blog shares all the essentials on maintaining...
How often should I treat my water tank?
Wondering how often to treat your water tank with DX50? Keeping your water safe and clean is easier than you think. Our latest blog shares all the essentials on maintaining...
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Which is the better eco-friendlier water disinf...
If you don’t like the smell and taste of chlorine in your tap water, or the harmful by-products created in the chlorination process, you’re not alone. Even plants do not...
Which is the better eco-friendlier water disinf...
If you don’t like the smell and taste of chlorine in your tap water, or the harmful by-products created in the chlorination process, you’re not alone. Even plants do not...
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How to Sanitise your rainwater tank
Updated on 27/04/23 Simple measures to ensure your water supply is safe to drink If you depend on rain, creek or bore water for your household water supply it’s important...
How to Sanitise your rainwater tank
Updated on 27/04/23 Simple measures to ensure your water supply is safe to drink If you depend on rain, creek or bore water for your household water supply it’s important...
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Meeting NZ Drinking Water Standards With DX50®
Is your water safe to drink? Each year an estimated 34,000 people across New Zealand become ill from their water supply. This is because not all water is treated equally....
Meeting NZ Drinking Water Standards With DX50®
Is your water safe to drink? Each year an estimated 34,000 people across New Zealand become ill from their water supply. This is because not all water is treated equally....