Algaecide For Teak Rubbing Strake

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Andrew_Trayfoot

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Algaecide for Teak Rubbing Strake
Can anyone recommend an algaecide product to stop green algae from growing on the teak rubbing strake, toe rail, and grab handles on my Westerly Griffon?
Thanks,

Andrew
 
I would think Oxalic Acid would do the trick. Visit your local chemist where you should be able to buy the cystals - they will probably need to order it in. Mix with warm water.
 
Boracol...

The best treatment is to use Boracol 10, a clear timber preservative which contains both an algaecide and a fungicide. Apply liberally with a soft paintbrush about 3-4 times a year. If you don't fancy buying a big container of Boracol, exactly the same chemicals are contained in Polycell 3-in-1 Mould Killer (although rather more dilute than Boracol). Don't be tempted to go for cheaper "mould killers" - these are often little more than bleach.

I've been using the Polycell stuff for several years on my teak deck, plus the sprayhood and leather wheel cover. It works!
 
Try MMC, a patio cleaner! Works for around 9 months but you do need to prepare the surface properly in the first instance with some propietory teak cleaner. I've found Wessex Chemicals the best, treat with MMC and finish off with a mixture of Stockholm tar, paraffin and boiled linseed oil which brings the colour back and stops new algae reforming. The latter is extensively in the Baltic and it works!
 
B&Q...

Most B&Q stores stock Polycell 3-in-1 Mould Killer, about a fiver for a litre bottle.

Boracol 10 is about 3 times more concentrated, and is available for about £44 for 5 litres (plus £10 delivery) from here (and probably less elsewhere), so it would be cheaper to buy the real Boracol and dilute it (1 part Boracol to 2 parts water) for those people planning to use it regularly.
 
MMC algaecide is brilliant. My boat has been laid up for a few years and algae was becoming a real problem until I tried MMC. It worked wonders on the teak cockpit gratings, and the fibreglass decks too. Not only had the algae gone after a couple of rainy weeks, the boat stayed algae free for several months. No staining or other ill effects to fibreglass and wood.
Use the algaecide not the patio cleaner. Info at
http://brintonproducts.co.uk/assets05/downloads/MMC-PRO_2006.pdf
Brinton products will be able to tell you a local stockist.
 
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