Hey guys me again more questions to ask, i done this live bait tank maybe 1 year ago and it was a real bummer with the outcome because i could not fine tune my tig alloy technique but of late i have been looking around online at aluminium products and a lot of people who manufacturer products out of aluminium have there welds ground down it doesn't look all that ascetically pleasing but it did put into my mind that my welds may be ok in cases like this that are not structural

these pictures are a live bait tank i think i may have done a build on here but now knowing people grind down there welds i will actually show all my welds as i can grind them down ha

can someone give me pointers on where i am going wrong? i ran one really nice bead on this whole piece and that bead were along a piece of alloy i never cut it was the side of the sheet so this leaves me to believe maybe i am the one contaminating my alloy sheet

my welds came out with porosity sand looking welds, i am almost there as for tig welding aluminium i just need to break that boundary

the next project i am looking at i have 1200x1200mm sheet of 4mm alloy I'm looking at building a fuel tank for my boat which will be 300x140x1200mm but being fuel i need to get my welding sorted and have no leaks

if u guys can offer some pointers on where im going wrong would be great, this job pictured i had laid a wooden pallet on the grass than the sheet of alloy on the pallet than cut it with a circular saw with the stock steel blade which is now rusting
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