I gotcha lol
Also, the very corners, like where the length, width, and height meet, should that be balanced on its own corner and have 40 poured in it separately? Hope that makes sense. Like a triple V?
Thanks for answering both posts!
… ehh… ive done tanks with and with out pouring up under the top. I think ur talking about the bottom tho and in this case id say no unless the other 2 sides at the bottom have been compromised or are in bad shape with white patches anywhere. U have that extra seal/rod inside on the bottom also so i think ur good already there.