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Welcome to the Bunnings Workshop community @PaulaD. It's brilliant to have you join us, and many thanks for your question about prepping Merbau timber.
Have you had tannin bleed issues with this product, or have you just read about tannin bleed on Merbau, specifically decking? The product image appears as if it has potentially already had the tannins leached, and that is what I would expect from a product designed for things like tabletops. The description also indicates that you should "Seal all sides of the panel with an appropriate treatment - oil, wax or lacquer before use." whilst making no mention of needing to bleed any tannins.
I'll be keen to hear whether you are currently experiencing an issue or whether you are trying to avoid one. As for your intended purpose, I am under the impression that you're right to add a food-safe oil, wax or lacquer to your new charcuterie board and graze away. I'd recommend Gilly's 250ml Chopping Board Oil.
Mitchell
Can you please post an image of the timber @PaulaD? I should be able to tell you from the look of it how tannin bound it is and whether you should be concerned.
Could you let me know what the tannin warning was? It might just be a generic warning in case someone allowed something like white linen to rub against it.
Mitchell
I did post the link to the item in the original post but here is a pic and the Tannin warning.
Hello @PaulaD
Looking at the picture it does not seem to be oversaturated with tannin. But just to be safe a stiff brush and a thorough washing as recommended on the label should flush out most of the excess tannin in the timber. Make sure to do it over the grass as the tannins do tend to stain tile and cement walkways. Let it dry off in the shade as excess heat from sunlight could damage the timber. Once the timber is totally dry, you can then apply the sealant of your choice.
Just to be on the safe side, wrap the timber platter in a tea towel you won't mind getting stained. This will at least protect the rest of your gear should there be any incidental staining.
If you need further assistance, please let us know.
Eric
Thanks Eric
i am following this as I also purchased these and have use resin to paint half the board. Can I use a poly acrylic to seal so they are safe for use with food or oil?
I am wanting to use as a cheese platter.
Hello @ladysnow
Generally, polyacrylic and polyurethane are food safe finishes as long as they have fully cured. It is recommended that you don't use the finished surface as a cutting board as this will chip the finish. I suggest using a separate chopping board for cutting and chopping. Please note that it is always prudent to check the information printed at the back of the container you're using. It will often indicate if the product is food safe.
If you need further assistance, please let us know.
Eric
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