JP wrote:
my sister and I just got certified in scuba diving and decided that we
wanted to start a small business cleaning barnacles off the bottom of
boats while they are still in the water (we heard it was good money).
Unfortunately I'm finding it difficult to locate any instructions on
how to do it underwater. Everything I've come across requires hoisting
the boat out of the water. I know this is a green question but I'm
completely green to the coastal lifestyle. Any help?



You'll find that scraping/brushing is the best way. You can purchase
suction cup type things that hold to the hull so you can scrape/scrub.

THe problem is that you are essentially weightless in the water, and you
need something to anchor you while working.

You'll also want to see about a hookah style rig rather than tanks.
You'll use a LOT of air doing this work.

You might find out about work safety rules as this may bring you into
the realm of "commercial diving" rather than recreational.



--
“TANSTAAFL”


“All I can say is there had better be some cheese at the end of this maze……”
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"A prudent man foresees the difficulties ahead and prepares for them;
The simpleton goes blindly on and suffers the consequences." - Proverbs 22:3