NT LABS Barley Straw Pouch Twin Pack (Effective against green water algae and blanketweed, harmless to pets, wildlife and ponds)
When to use?
Barley straw pouches are effective against green water algae and blanketweed, harmless to pets, wildlife and ponds.
How to use?
- Place on surface near moving water.
- Attach string and pull to surface twice monthly.
- Replace every 6 months, only remove old pouch one month after replacing with new to ensure continuous control.
Each pouch treats: 3500L of water.
Takes 28 days to take effect