a local field started checking hydro dates before filling any kind of tanks.
on my tank there are numbers saying 05-04. whats that mean? i got my tank new less than a year ago. it has a 5 year hydro. when should i expect the hydro to expire?
on my tank there are numbers saying 05-04. whats that mean? i got my tank new less than a year ago. it has a 5 year hydro. when should i expect the hydro to expire?


what happens if your hydro expires in the middle of a night game? does your tank explode?

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