Blagdon Sludge Buster
Every 9g sachet contains 8500 million sludge eating bacteria and you get 4 sachets in the box.
Each sachet treats 2,273 litres of pond water, just tear open the sachet and pour into your pond.
Harmless to fish, plants and other pond life, use regularly for a silt free pond.
Envii Sludge Klear
It digests and breaks up the dead, organic matter that contributes to the layer of sludge on the bottom of your pond.
The natural ingredients ensures that all fish and wildlife are in no danger when using this product.
Sludge klear can work efficiently at 4°C and lower.
You get 6 tablets in the pack, each one can treat up to 30,000 litres, you dissolve the tablet in a bucket of pond water for a couple of hours before stiring it and pouring it evenly over your ponds surface.
Cloverleaf Sludge Answer
It uses live beneficial bacteria culture that helps to bio degrade the harmful solids that build up in the pond and the filter.
Use 100ml per 1000litres (220gal) of pond water for the first application with follow-up doses of 50ml per 1000litres (220gal) every 28 days.
This is a 1 litre bottle but you can get smaller bottles of 250ml and 500ml.
Safe with all domestic animals and wildlife.
Bermuda Sludge Bomb
It uses specifically selected strains of bacteria which digest the waste.
The product is a big slimy purple ball which you place into the filter if you have one or you can just drop it in the pond.
You only get one ball in the container but it does treat up to 20,000 litres of water.
It’s safe for your fish and wildlife.
Available from Amazon.co.uk