I may just try that. I could also secure it with velcro so it stays in place. I think I'm going to take the plunge. Oh, I better ask you first, has your testing still been within specs?Honestly if there’s no danger anyone will step on it like an inground pool, you could probably just let it set over it. The part will dangle down into it and it should be fine.
Edited to add: Within specs meaning - within range of your test kit.