Quote:
Originally Posted by Mr. Sandman
Big boats carrying large quantities of fuel (mainly trawlers and comm boats) have on board fuel polishing systems. These essentially filter the fuel (or polish) constantly, 24/7 , ensuring that your fuel is in top condition.
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Alot bigger than that, comm boats go through fuel alot quicker than big yachts etc. and don't need fuel polishing systems. Fuel polishing systems are good if you're carrying 1000+ gallons of diesel then its rotating between 2 tanks while being filtered constantly.
Anything smaller than that? Not really worth it, throw some stabilizer in there and keep cleaning your filters. You'll be fine.