lp72

Hello all I've searched a lot and can't seem to piece together info on what I'll need to double the LP72's I listed for sale a while back (and still have listed). First, WHY?: Aside from them not selling, I need/want added gas. I have a couple recently acquired HP130's from folks on Scuba...

Greetings, I am currently looking to buy a second LP72 to double with one I currently have. I have one of the white Faber tanks marketed as Scubapro, it is 7" not 7 1/4". Hoping to get one from the 90's so the threads match. (Modern 3/4") Tank must be in hydro. Seller must be in the Detroit...

Just had this LP72 steel tank tumbled and then hydro tested. It passed and came back like this (see pictures). Does the bottom of the tank need to be cleaned more?