How much treatment do you need?
Enter the pond volume below – or use the calculator – then click on the product you are using for an accurate calculation of how much, and how often, you need to use your Blagdon pond treatment.
Pond volume
Enter the volume in litres if you know it:
Calculate
Don’t know the volume? We can help you calculate it.
Select your pond shape, enter the measurements below (in centimetres), the volume will appear in the ‘Pond volume’ box. Finally, select the product you are using:
Choose your product
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Clean Pond Pods
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Clean Pond Pods
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Clean Pond Pods
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Clear Pond
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Fresh Start
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Pond Balance
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Sludge Buster
This is what you need
![](https://blagdonwatergardening.co.uk/wp-content/uploads/2022/03/dc-bottom-fish.png)