You can remove dried barnacles from a fiberglass boat using a stainless steel scrubber or a pressure washer for large barnacles.
Fiberglass is actually very flammable.
I would think a fiberglass boat is better than a wooden boat because a wooden one can rot and would be hevy to move weres the fiberglass boat wont rot and is light so would be easy to move.
A sponge and some fiberglass sealers works the best on a fiberglass boat. There are other fiberglass cleaning material available depending on what your particular need is. For just basic cleaning, I would go with the sponge and fiberglass sealer.
You can clean fecal stains from a fiberglass both by using hot water and dish washing liquid. Let the stained area soak in the soapy water for awhile before wiping it down.
Barnacles stick to the boat hull and grow creating a sort of skin over the hull. This in turn slows boat by taking away smoothness of hull and adding weight. Barnacles get knocked off and fall off , which pulls outer hull coating off allowing rot to get in.
A boat floats by keeping water outside, regardless of any material
1937 by Ray Greene
Vietnam War PBR's were built of fiberglass; they worked fine. That's the boat in the film Apocalypse Now.
It would depend on the construction of the craft, but as a general rule, the fiberglass boat will be heavier.
Barnacles are marine life that infests a ship or boat, so to put this in a sentence, you want to use it as a noun or object The barnacles clung to the bottom of my ship.
"The underside of the boat was encrusted with barnacles after being in water from spring to fall."
No