Sanblasting inside built-in fiberglass tank?

[Disielcustoms]

Hi I just removed all my diesel from my built-in fiberglass tank to polish it. When I look inside the tanks to give them a good scrubbing I noticed that the paint / coating on the inside is bubbling up in some areas. the problem is the access is limited. I have a 12" inspection plate at the top and the tanks continue to the keel so I can reach much with my hands. To remedy this I am thinking of the following and would like feedback. to scuff and remove the existing paint / coating inside the tank I am thinking of using an attachment to a pressure washer that turns it into a wet sandblaster. I have seen some videos of it and it seems to work fine. Since the gun has a long wand I should be able to reach all areas. Then clean and suck the water with sand and re-coat with some sort of coating for diesel tanks or something appropriate. Has anybody ever done this if so what was your outcome and experience or is this a crazy idea?

Thanks

[boden36]

That would be fun to watch! I expect the tank would soon be filled with water and wet sand, and you would be thoroughly sandlogged!


Cheers,
Richard