crustations on hull tubes

[phil richards]

Hi guys, cleaning the Humber ready for this year and have areas of small crustations(incorrect spelling I thinks) on gelcoat and tubes, they do scrape off but leave a chalky residue. Have looked on the threads and have become a little confused as to what to do. Humber say they use a Hrydro something or other but I can not buy!. Please can you point me in the right direction.Oxalic acid....Rib revive etc. cheers Phil
ps what are your thoughts about Antifouling the rear end of the tubes where they sit in the water, boat is on a mooring 4-5 months, it usally keeps clean but last year these little buggers got a hold!

[willk]

Clean with bathroom descaler. An ablative antifoul will work - don't key & prime the tubes

[phil richards]

Thanks......what is Ablative? excuse me!! cheers.

[willk]

Originally Posted by phil richards

Thanks......what is Ablative? excuse me!! cheers.

Linky

[phil richards]

Ablative.................to wear away!......I thank you for linky

[phil richards]

Forgot to ask........any ideas about taking the barnicals off the tubes,or still to use the bathroom cleaner? cheers

[HughN]

(That reminds me of George III's pet crab. He was so upset when it died that he insisted they name a railway station after it. To this day that terminus is still known as King's Crustacean.)

[bad_moose]

Originally Posted by phil richards

Forgot to ask........any ideas about taking the barnicals off the tubes,or still to use the bathroom cleaner? cheers

I only found this out by being a bit lazy, but the best way seems to be to scrub all the weed off with a stiff brush as soon as it comes out of the water, leave the barnacles for a week or so to dry out and then just scrape them off with a blunt plastic scraper. Took me about 10 minutes to get them all off mine this winter.

[HUMBER P4VWL]

Well we have a humber that's tubes sit on the water, drying occasionally, on a swim mooring for 4-5 months. Problem with AF on the tubes is it comes off too quick.

We ended up putting extra ribbons strake, the thick shiny black stuff, on the underside of the tubes to protect the hypalon. Worked a treat!!!

Before


After



Hi res Anglesey pics

Alex Whittaker / Shedpix Donations for Round Anglesey Macmillan 2014 https://www.justgiving.com/Rib-net

[phil richards]

Thanks for that info, where did you purchase required material etc and did you do it your self?. Cheers Phil

[HUMBER P4VWL]

We didn't do it ourselves. It's just rubbing strake material wise. SIT in Preston, or any other tube fitters like Henshaws etc could help you. Give them a call, I'm sure they'd supply material if you wanted to do it yourself.


Hi res Anglesey pics

Alex Whittaker / Shedpix Donations for Round Anglesey Macmillan 2014 https://www.justgiving.com/Rib-net

[phil richards]

If you keep the boat on a mooring for 3-4 months how do you keep the hull so clean, have you AF'ed?
Cheers

[HUMBER P4VWL]

Yes. Offshore powerboat anti foul.




Hi res Anglesey pics

Alex Whittaker / Shedpix Donations for Round Anglesey Macmillan 2014 https://www.justgiving.com/Rib-net