Cloverleaf Pre-vent Blanketweed 4kg Pond Weed Preventer stop blanketweed growing

Pre-Vent is safe for all pond fish, plants and biological filtration systems. Suggested Dosage:Add 10g per 266 gallons (1207L). The enclosed scoop can be used 1x scoop = approx 800 gallon (3632L). The dosage can be adjusted as required with no adverse effects.

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