Welcome to our forum.
One thought that we have is to drain and re-fill each weekend, but that seems like it would be more hassle than its worth.Guess experiance will be our teacher. (Hopefully not a great $$$$ learning curve). Thanks for the replies so far. Nice to have found an "earnest" website.
. I would tarp on top of that and ensure that the wind cant lift it, maybe a rope wrapped around the spa base to hold the tarp in place.Steve