
SILTEX
We are currently working with a 4 week lead time on all Siltex orders 250kg or more.
What is Siltex?
Siltex is a highly porous form of calcium carbonate, or chalk, made up of minute particles.
It works as a natural and inexpensive way to reduce organic silt and improve water quality in ponds, lakes and rivers. Siltex is environmentally friendly and harmless to plants and animals, because it recycles organic material it is also a great benefit to aquatic ecosystems.

Benefits of Siltex?
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Decreases organic and oxidisable matter which is displayed as a reduction in silt levels.​
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Increases oxygenation and stimulates aerobic micro-organisms.​
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​Improves water clarity by settling suspended waterborne solids.​
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Reduces methane production by silt body.​
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Counteracts acidity in the water and the silt.
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Provides essential calcium for plants and wildlife.
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Increases biodiversity within the water bodies


Where to Use Siltex
Siltex can be used in freshwater environments such as ponds, lakes, reservoirs, rivers, canals and fisheries where organic silt accumulation is a problem. It can also be used to raise the pH value of water bodies suffering form acidification.
Our Opperation
Our supply of Siltex is the only producer in the UK, the super fine chalk cannot be found anywhere else due to the grade and rarity of is make up. Our supply originates from the Needham Chalks quarry in Ipswich where they produce and bag our aquatic chalk.
You can follow the process below:
Application
Siltex should be applied to the whole surface area of the pond. The best way to apply the product on large bodies of water is to use a boat with an outboard engine to distribute the chalk.
For small ponds Siltex can be applied in an emulsion form. Simply mix the Siltex with water in a watering can and distribute evenly over the pond's surface.
Quantity of Siltex | Acres Treated | Square metres treated |
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250kg (1/4 tonne) | 1/4 Acre | 1000 square metres |
1000kg (1 tonne) | 1 Acre | 4000 square metres |
500kg (1/2 tonne) | 1/2 Acre | 2000 square metres |
25kg (1 bag) | 100 square metres | |
1kg | 4 square metres | |
250g | 1 square metre | |
200g | 1 square yard |
Ordering & Shipping
We can supply Siltex from our website in quantities up to 9 tonnes but for larger orders with preferential rates please get in touch.
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To get a quote including shipping just add the quantity you require to cart and go to checkout, there you can use our zonal system to calculate your shipping cost.
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All Siltex products from 250kg and above are palleted goods and will be delivered on a lorry, because of this we follow up every order personally to confirm delivery requirements and dates. Our ordering process goes as follows:
Our shipping zones are derived from our hauliers rates and are designed to make ordering palleted goods a much smoother and simpler task no matter where you're located.
We ship all over the UK and plan for international shipping soon.
If all the zone rates are the same it means we offer a flat rate for that product however it is still encouraged you use the correct shipping zone for your postcode.
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