Interesting project!, the main issue with big tanks is getting inside to rub the anodic film off afterwards (the black stuff). a high pressure washer works well when you can't get in to scotch brite it.
A pair of large automotive fuel filters (EFI ones) would arrest any residual crap after the process too.
I am still wondering what to do with the black stuff. My ideas so far are:
1. Let it rust slightly and then spray some rust converter in. The idea being to also give a bit of a rust preventatove coating.
2. Fill it with water and sand and agitate it with compressed air. I have a 160cfm compressor so large air volume is ok. A problem would be getting the sand out.
I can't seal it with POR15 because rotating a 1.5ton fuel tank is too hard
Interesting project!, the main issue with big tanks is getting inside to rub the anodic film off afterwards (the black stuff). a high pressure washer works well when you can't get in to scotch brite it.
A pair of large automotive fuel filters (EFI ones) would arrest any residual crap after the process too.
Aussie50 1 year ago
@Aussie50
Hey Aussie,
I am still wondering what to do with the black stuff. My ideas so far are:
1. Let it rust slightly and then spray some rust converter in. The idea being to also give a bit of a rust preventatove coating.
2. Fill it with water and sand and agitate it with compressed air. I have a 160cfm compressor so large air volume is ok. A problem would be getting the sand out.
I can't seal it with POR15 because rotating a 1.5ton fuel tank is too hard
Any ideas
bodgeybrother1 1 year ago
@bodgeybrother1 MMm tricky!
Is there any way you can get in and scrub it with scotchbrite on a stick? since you had to stuff the web cam down it I guess not :(
chemical removal is my only thought, but I will need to do some tests to find out what.
I will try and get some Phosphoric acid from the hydroponics store and see if that works (the old coke cleaning a penny trick)
Aussie50 1 year ago