Available in 800g, 2kg, 4kg, 10kg & 25kg Sizes
Cloverleaf Blanket Answer is the UK's #1 best-selling natural blanketweed treatment, trusted by pond keepers nationwide. Formulated using a unique blend of minerals and enzymes, this powerful yet safe product tackles blanketweed outbreaks fast, without harming fish, pond plants, wildlife, or filtration systems.
Whether you're dealing with a seasonal bloom or persistent nuisance algae, Blanket Answer offers an easy, effective, and chemical-free solution for ornamental and wildlife ponds.
🇬🇧 UK's top-selling natural blanketweed remover
🐟 100% safe for fish, aquatic plants, pets & wildlife
✅ Works in harmony with all biological filtration
⚙️ No need to turn off UV clarifiers, pumps, or filters
🌿 Easy to apply – just mix with pond water and pour
800g – Treats up to 2,000 litres
2kg – Treats up to 5,500 litres
4kg – Treats up to 11,000 litres
10kg – Treats up to 125,000 litres
25kg – Ideal for large ponds and commercial use
Apply at 1 level scoop (included) per 285 litres of pond water.
Mix powder with pond water in a watering can and distribute evenly across the surface.
The pond will turn milky for a few days – this is normal. Clarity typically returns within 5 days.
For best results:
Use in water temperatures above 10°C
Ensure good aeration
Do not introduce other chemical treatments for at least 10 days after use
💡 Always wash hands after use and store the product in a cool, dry place. Keep out of reach of children.
For year-round efficiency and added mineral support, try our enhanced Cloverleaf Blanket Answer – All Season Formula.
To help stop blanketweed from coming back, we recommend using Blanket Answer Pre-Vent as part of your ongoing maintenance regime.
Whether you're a hobbyist or a professional pond keeper, Cloverleaf Blanket Answer provides a proven, natural approach to keeping your pond clear, healthy, and algae-free – without compromising on safety or performance.