Cloverleaf Blanket Answer Pre-Vent

Cloverleaf Blanketweed Pre-Vent | Blanketweed Prevention Treatment

Available Sizes: 800g • 2kg • 4kg

Take full control of recurring blanketweed problems with Cloverleaf Blanketweed Pre-Vent — a powerful, pond-safe solution designed to prevent the return of blanketweed after treatment. Ideal for use following a full course of Cloverleaf Blanket Answer, Pre-Vent keeps your pond water clear and balanced for weeks at a time.

Formulated using a unique blend of minerals and natural compounds, Pre-Vent works by adjusting the pond's nutrient profile, making it less favourable for blanketweed regrowth — without affecting your fish, plants, or filtration systems.

✅ Why Use Blanketweed Pre-Vent?

• Prevents blanketweed from returning after treatment

• Complements initial treatments like Blanket Answer

• Works in all types of ponds – koi ponds, wildlife ponds, garden ponds

• 100% safe for fish, aquatic plants, wildlife, pets, and birds

• No need to switch off UV clarifiers or pond pumps

• Easy to apply – minimal maintenance required

🧪 Dosage & Application Guide

• 10g per 1207 litres (266 gallons) every 2–3 weeks

• 1 scoop (included) treats up to 3632 litres (800 gallons)

• Apply directly to the pond surface or pre-mix in a watering can and pour evenly

• Use after a full course of Blanket Answer or Blanket Answer All Season

• Repeat dosing every 2–3 weeks during peak growth seasons

📦 Available Sizes & Water Treatment Volumes

• 800g – Treats approx. 64,000 litres (14,000 gallons)

• 2kg – Treats approx. 160,000 litres (35,200 gallons)

• 4kg – Treats approx. 320,000 litres (70,400 gallons)

🌿 Pair With These Best-Sellers for Complete Blanketweed Control

• 🔹 For initial infestations, treat first with the trusted Cloverleaf Blanket Answer — the UK’s number one natural blanketweed remover.

• 🔹 For cold weather or early season treatment, try the Cloverleaf Blanket Answer All Season — specially formulated to be effective from just 2°C.

🐟 Why Pond Owners Love Pre-Vent

• Peace of mind after treating blanketweed

• Maintains crystal-clear water

• Eco-friendly formula that supports pond health

• Great value — each size treats tens of thousands of litres

Keep your pond blanketweed-free and balanced all year round with the powerful, easy-to-use Cloverleaf Blanketweed Pre-Vent. Perfect for ongoing maintenance and as a key component of your pond care routine.