![]() I wore out 2 brushes on our Party Cruiser many years ago before I figured out the acid WILL do all the work.Once all the calcium is gone, then you can wash and wax the hull as needed. About once a minute take your water hose and rinse the boat and the ground, then start up again. Just keep spraying until it won't smoke, then move to the next 2 foot area. It is safe to use on most surfaces and a great go-to cleaning solution. Spray the spot like your painting, get it wet, then wait about 5 seconds, that's about all the time the acid works before being neutralized by the calcium. Starbrite Instant Hull Cleaner works on contact and doesnt require heavy scrubbing. ![]() As long as there's calcium, it will smoke. Pick a 2-foot long area on the hull and start spraying. Keep the spray away from any bright metal, including stainless, it WILL darken stainless. Keep a garden hose ON with a spray attachment to keep it off when not needed. Get some large trash bags and cover the trailer fenders and frame. Check the reviews, price, features & OveReview score for MaryKate On and Off - Hull and Bottom Cleaner, 32 fl oz product. You can go stronger, but I've found this works fine. We have low prices and a great selection on all Cleaning Supplies. Mix 20% acid 3 parts water to 1 part acid. Find theStar brite 32 oz EZ-ON EX-OFF Hull & Bottom Cleaner by Star brite at Fleet Farm. ![]() You'll need a cheap garden sprayer, the $9 ones at HD or Lowes work fine. Muriatic acid from Lowes is okay too, ANY is okay as long as it's 20% or higher (HD acid is 14% for swimming pools, ok, but adjust mixture accordingingly) When that's done, go to Walmart or Home Depot and pick up 5 or 6 bottles of "The Works" toilet bowl cleaner, it will say "hydrochloric acid 20%" on the bottle. And I got it looking like new without ever touching the hull with ANYTHING other than water and muriatic acid-įirst, spray off all the algae as best you can with your power washer. ![]() I presently have some Mequiar's FLAGSHIP PREMIUM Marine Wax that I plan to apply before next season.-under the algae was a ton of calcium. ZING Professional Boat Hull Cleaner is a heavy duty professional strength formulation that easily and quickly removes the toughest build-ups on fiberglass. Has been very effective and never caused any damage. I've usually used Kitten Hull Cleaner, an acidic type cleaner that I brush on, leave for 15 miniutes or so and brush / rinse off, crawling around ander the trailer. Re the original post about cleaning, for the 14 years I've had ski boats, I've had to do some serious cleaning after each season when the Murray River has left awful brown stains in the gelcoat. The application of this detergent is pretty easy you don’t need to scrub, just rinse it. You can be sure that this solution won’t harm the gel coat you use it on. Seems to be little practical evidence of problems with those products. Marykate On & Off Hull & Bottom This Marykate product eliminates even the toughest rust, algae, gas exhaust, or waterline stains. STAR BRITE EZ-ON EZ-OFF Hull & Bottom Cleaner - 1 GAL (092800) View on Amazon. New gel spray formula clings to the underside of boats and other vertical surfaces. If there was any, significant deteriment in using these products, there would surely be a swathe of examples posted here of damage to boats. New gel formula instantly removes grassy marine growth, rust, scum line, yellowing, fish blood and more. Clearly there are myriad owners who use all manner of automotive waxes on some very well looked after, expensive boats and there do not seem to be any horror stories. I used automotive polish and wax products a few times on my old Gilflite with no ill effect. Nanotechnology hull cleaning formula Instantly cleans fiberglass, metal and gel coat Removes algae, rust, fish blood, water scum lines Easy spray-on. ![]() He gave me some of the commercial fibreglass polish that he uses and it was effective but hard work. His philosophy is definitely not to use automotive type waxes and polishes on gelcoat. I spoke a year or so ago to a bloke who runs a boat maintenace facility and who does a lot of fibreglass repair work. ![]()
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