Limescale, salt, and marine growth are among the main enemies of a cooling system’s efficiency.
If you notice a drop in your engine’s performance or an increase in operating temperatures, it’s likely that your cooling system needs a thorough cleaning.
👉 The solution? Barnacle Buster — the professional concentrated descaler available at Nautic Shop.
⚙️ Preparation: the correct dilution
Before each use, Barnacle Buster must be diluted.
👉 Recommended dilution ratio:
1 part Barnacle Buster + 4 parts water.
Mix the solution in a suitable container, ensuring that it is evenly blended.
🔁 How to use Barnacle Buster for engine recirculation
The most effective application is by circulating the product through the cooling system.
Here are the recommended treatment times based on engine power:
| Engine Power (HP) | Circulation Time (hours) |
|---|---|
| 10 – 250 HP | 1 – 2 hours |
| 250 – 800 HP | 2 – 4 hours |
| 800 – 1800 HP | 4 – 6 hours |
| Over 1800 HP | 6 – 12 hours |
During recirculation, allow the solution to act inside the circuit. Once the contact time is complete, flush the system thoroughly with fresh water to remove all product residues.
💡 Practical tips
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Perform the treatment at least once a year to keep your engine running efficiently.
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Use chemical-resistant pumps and hoses.
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Avoid using Barnacle Buster undiluted — proper dilution ensures maximum effectiveness without risk.
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After treatment, check the operating temperatures — you’ll notice the difference immediately.
🛒 Where to buy Barnacle Buster
You can order Barnacle Buster Concentrate directly from our website:
👉 Shop now on Nautic Shop
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