This white speckled mix is a Special Mix called 'Bio filter'. This is used to to filter odour from Water Treatment plants and is a product that is used regularly by Councils when replacing or developing the sewage treatment sites. NZLS have made and sold the product for many years to Council contractors building treatment plants or doing remedial work. There are a number of different specifications that we have worked with and can make any mix that may be required.
We are frequently required to make mixes to people’s particular requirements. If you require a Special Mix contact us and we can prepare anything that you need. If it is a bit complicated, even better (we like a challenge).
Contact us at any one of our yards and we will be able to help with your requirements.
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