BioDefend Concrete Cleaner – Moss & Mould Killer (Disinfectant Type)

Description

Sizes Available: 2L | 5L. Larger commercial sizes (20L+) available on request

Say goodbye to moss, mould, lichen, and algae with BioDefend, a powerful, quat-based, professional-grade outdoor cleaner formulated to target and eliminate biological growth at its source. Its advanced cleaning action penetrates deep into porous surfaces, helping to break down buildup and prevent regrowth for months after just one application.

✅ Kills moss, mould, algae, and lichen at the root
✅ No scrubbing required – just spray and walk away
✅ Long-lasting results – prevents regrowth for months
✅ Ideal for concrete driveways, patios, pavers, fences, and walls
✅ NZ-Made – developed for local conditions

How to Use

• Dilute before use

  • Heavy Growth: Mix 1 part BioDefend with 4 parts water

  • Light Growth / Maintenance: Mix 1 part BioDefend with 9 parts water

• Apply to a dry surface during fine weather

• Use a sprayer or watering can to saturate the surface

• Do not rinse. Allow product to work with sun and rain

• Results appear within days, full effect in 2–4 weeks

Available Sizes & Coverage: 

Safety

• Strongly alkaline – wear gloves and eye protection

• Keep out of reach of children and pets

• Store upright in a cool, ventilated space

• Do not mix with other chemicals