NT Labs Pond Cristalclear Duckweed Control decreases the spread of unsightly of Duckweed in pond water by reducing its natural food source, phosphate. Can also be used at any time of the year, as and when required.

Product Information:

• Recommended for: all garden and koi ponds.
• Treatment type: liquid, mix with water before adding to your pond.
• Harmless to filters, all species of fish, wildlife, and plants.

Dosage & total treatment volume:

• Read instructions carefully before use.
• Use 10ml per 182 litres (40 gallons).
• In heavily infested ponds, the dose can be doubled without risk to fish.
• Treats up to 9,100 litres.

Usage tips:

• Check your pond water quality before use (for ammonia, nitrite, pH etc).
• For best results, remove as much duckweed as possible before use and treat continuously for 6 months.