Oak worktop ruined by gasmans flux, can it be fixed?

[snadge]

we recently had our oak worktops installed, the next day the local plumber came and got his flux on it and also burned it... i got rid of the burn with sanding - anyhow i thought that was end of it but weve been putting the oil on (BEHANDLA Ikea stuff) and after 5 coats over a week or so weve noticed that this 'patch' where the FLUX was and then wiped off has left a bleach stripe in the wood with a greeny tinge to it and the outside of it - this flux bleached the dirt off copper pipes and leaves green stains if not cleaned off properly... this is how I know its from his flux, at first I though it was just a rogue block in the wood but now i dont think it is because its bleached and green and thats what his flux does and its now very noticeable as the worktop is darker with oiling... i have some pictures but they dont look anywhere near as bad on the pics due to the light/angles - you only really notice quite a lot it in natural light

is there anything I can do to repair it?

thanks

pics: see the greeny tinge to the right of it on this first pic too

 

[foxhole]

Flux is an acid paste, you need to neutralize with an alkali , you could try mixing a paste of baking soda and water and leave it on the stain overnight, ideally this should have been done immediately for best effect.

 

[snadge]

Flux is an acid paste, you need to neutralize with an alkali , you could try mixing a paste of baking soda and water and leave it on the stain overnight, ideally this should have been done immediately for best effect.

its been on for 2 weeks... unfortunately it wasnt really noticeable much before hand ... i did know it was there but like i say though it was just the wood... but now after oiling it shows more and ive realised thats where he got stuff on it - i asked him at the time if it stained and he said "NO" - i wiped it off and sanded it a little bit but obviously not enough... looks like im gunna have to sand the WHOLE lot down ..all 3 worktops to get it even and re-oil it... B****D

 

[foxhole]

PS. someones put terrible purple paint on your walls.