Viper Brite (RT300G) is a non-acid, alkaline aluminium brightener that produces expanding foam to smash through baked-on grime and oxidation on outdoor condenser coils. Built for fridgies and HVAC techs who want a fair-dinkum deep clean that restores heat transfer fast and cuts down on call-backs.

Key Features & Trade Benefits

• Non-acid, alkaline brightener (sodium hydroxide) — safer for coils than mineral acids while still aggressive on oxidation. Benefit: fast turnaround without pitting fins.
• Heavy-duty expanding foam — foam drives deep into the coil pack and pushes out impacted debris. Benefit: improved airflow and lower head pressure, so equipment runs cooler.
• Trade-ready dilution — typically used at 10:1 with water; must be rinsed with large amounts of water. Benefit: predictable results, fewer re-cleans.
• Optimised for the Viper Foam Gun — apply neat into the gun for instant, high-density foam. Benefit: quicker coverage on big commercial coils.
• NSF P1 registered (084269) — suitable for use in and around food areas per label directions. Benefit: confidence on hospitality sites.
• Clear limitations for safety & quality — not for indoor coils; avoid severely corroded fins. Benefit: fewer dramas, better outcomes.

Why This Product Matters

When you’re up on a roof in 40-degree heat and the coil’s caked in red dust and kitchen grease, you need a cleaner that’ll actually bite. Viper Brite’s expanding foam does the hard yakka—lifting grime and hard oxidation so you can rinse clean and get the unit back online. One contractor told us, “Two passes and she’s right—fans stop screaming and head pressure drops.” That’s fewer return visits and happier clients.

See our Viper cleaning range for more options: Viper Cleaning Chemicals.

Pro Tip

Pre-wet surrounding metal and always rinse thoroughly. Viper Brite reacts with aluminium fins releasing a little hydrogen during cleaning—that’s normal, but it’s why generous rinsing and good ventilation matter. Don’t use it indoors, and keep PPE on: gloves, goggles, long sleeves.

Compatibility & System Info

• Use on: Outdoor condenser coils (aluminium, including microchannel—test a small area first).
• Do not use on: Indoor evaporator coils; severely corroded fins; applications where the OEM specifies “aluminium-safe only.”
• Application: Typical 10:1 dilution via pump sprayer or Viper Foam Gun; rinse with large amounts of water.

Local note: In coastal Sydney sites (salt mist) and dusty Perth jobs, brightening action helps recover heat exchange efficiency. Keep rinse water out of storm drains—do the right thing and you’ll be sweet.

What’s Included

• 1 × Viper Brite RT300G, 3.785 L (1 US gallon)

Specifications

Specs and directions per manufacturer TDS.

Warranty & Returns

Covered by manufacturer’s warranty. HVAC Shop accepts returns on unused items in original packaging—see our Shipping & Returns policy for details.

FAQs

Q: What dilution should I start with?
A: Start at 10:1 for condensers. Apply, let the foam work for several minutes, then rinse heavily. Adjust dilution based on soil load.

Q: Can I use Viper Brite on indoor evaporators?
A: No. Viper Brite is for outdoor coils only. For indoor coils, use a no-rinse evaporator cleaner like Viper EVAP+. See EVAP+.

Q: Do I need special PPE?
A: Yes—gloves, goggles and protective clothing. Follow the SDS and Australian WHS guidance for handling hazardous chemicals. Safe Work Australia: hazardous chemicals code of practice.

Q: Foam gun or pump sprayer?
A: Either works, but the Viper Foam Gun delivers instant, dense foam and saves time on large coil banks—bloody good on shopping-centre rooftops.

Related Products

• Viper Foam Gun – genuinely helpful when you want thick, even foam and faster rinsing on big condenser coils.
• Viper Heavy Duty 3.785 L – a versatile concentrated cleaner when you don’t need brightening but still want strong degreasing.
• Viper AC Coil Cleaner Aerosol 510 g – handy no-rinse option for light maintenance and tight access.