It sounds like your pond has duck weed
How to be sure
Your pond is covered with little round leaf plants, it spreads across the ponds, it smells and blocks out light for you pond plants.
Step 1 – Treat your pond
- Remove as much duck weed as possible using a net.
- Treat the entire pond using Duckweed Buster, you can calculate the correct dosage here.
- Follow any re-treatment advise on pack or on our dosage calculator page..
- Check all your equipment is working properly – especially filters. Carry out any maintenance needed, or replace faulty or broken parts.
Step 2 – Support your fish
Blagdon water and algae treatments can safely be used with Blagdon fish medications.
Only use one fish medication at a time.