Two white plastic jugs of Clario BAC50 Benzenaluminium Chloride 500 g/L professional exterior brick concentrate, one 5L and one 20L, displayed outdoors on a stone surface with a blurred mountain background.

BAC 50

5L
$80.00
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Two white plastic jugs of Clario BAC50 Benzenaluminium Chloride 500 g/L professional exterior brick concentrate, one 5L and one 20L, displayed outdoors on a stone surface with a blurred mountain background.
  • Two white plastic jugs of Clario BAC50 Benzenaluminium Chloride 500 g/L professional exterior brick concentrate, one 5L and one 20L, displayed outdoors on a stone surface with a blurred mountain background.
  • A 5L white plastic bottle of Clariq BAC 50 Benzalkonium Chloride 500g/l professional exterior biocide concentrate, shown on a dark promotional graphic background with product details, application icons, and text.
  • A 20L container of Clariq BAC50 Professional Exterior Block Concentrate, presented on a dark promotional graphic with product details, application areas, and company branding.
  • Two white plastic jugs of Clario BAC50 Benzenaluminium Chloride 500 g/L professional exterior brick concentrate, one 5L and one 20L, displayed outdoors on a stone surface with a blurred mountain background.
  • A 5L white plastic bottle of Clariq BAC 50 Benzalkonium Chloride 500g/l professional exterior biocide concentrate, shown on a dark promotional graphic background with product details, application icons, and text.
  • A 20L container of Clariq BAC50 Professional Exterior Block Concentrate, presented on a dark promotional graphic with product details, application areas, and company branding.
BAC 50

BAC 50

$80.00
Size

BAC 50

Professional Exterior Biocide Concentrate

Powerful moss, mould, algae and lichen control for roofs, buildings and exterior hard surfaces.

BAC 50 is a professional-strength 500 g/L benzalkonium chloride concentrate formulated to treat and control moss, mould, algae, mildew and lichen. Designed for New Zealand conditions, it delivers long-lasting results without the harsh odour of chlorine-based alternatives. 

Ideal For

✓ Roofs
✓ Exterior walls & facades
✓ Pavers & pathways
✓ Decking & timber
✓ Commercial buildings
✓ Agricultural structures
✓ Compatible spray and drone applications 

Why Choose BAC 50?

  • Professional-strength 50% benzalkonium chloride
  • Controls moss, mould, algae and lichen
  • Low odour, non-chlorine formula
  • Long-lasting residual performance
  • Cost-effective concentrate
  • Suitable for residential, commercial and industrial applications
  • Made for New Zealand conditions

Dilution Rates

General Treatment: 20 mL per litre of water (1:50)
Heavy Growth: 50 mL per litre of water (1:20)

Cleaner. Safer. Brighter. For Longer.

Whether you're maintaining a family home, commercial property or large-scale facility, BAC 50 provides reliable exterior biocidal performance with professional results.

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