Barnacle Buster is a safe, non-toxic and biodegradable marine growth remover specifically formulated for cleaning seawater cooled equipment. With minimal dismantling required, Barnacle Buster can be safely re-circulated through seawater cooling systems, dissolving barnacles, zebra mussels, calcium, rust, lime & all other mineral deposits. Most applications can be completed within 4 hours.
Choose from a Regular Strength ready-to-use solution in Gallon size, or a Concentrated solution in Quart and Gallon sizes.
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Remove scale buildup, not metal
Safe on all types of sea water cooled systems commonly found on vessels today
Safely dispose down the drain
It does work on even clogged tubes/runs/parts/ ect.
I had a generator heat exchanger that had some really bad scaling, 50% clogged and most the other tubes were still pretty bad. I was just going to buy a new one when I saw this stuff and thought it was worth the risk/cost, given what even a small heat exchanger costs. I soak it and it starting foaming Immediately, I had to move everything to a deeper bucket, one lessoned learned, now shared. Still leery I pulled it for a checked after about an hour and was like "holly %^&", couldn't believe it, the partially clogged tubed were spotless, it was working its way through the full clogged tubes. After about two hours it looked like a new heat exchanger, I was dumb founded. Also can't believe how much more water is coming out of the exhaust, worried it may never get hot enough now! LOL As a result I recently built a bucket flush system for the big mains. Although I am not pulling these heat exchangers out I did pull the hoses and shine a flash light in there, and they look a lot cleaner than before. Gave it 4 because it is pricey, to flush any big motor you do need gallons, but is a lot safer then muriatic acid.
I will use this product again
I purchased the concentrate and it was easy to mix and use. Just remember to flush out your pump with plenty of fresh water after use. I ran the engine afterwards, so it flushed itself, but I left it in the pump and the plastic vane impeller disintegrated.