Go deep or go home I guess. If Pennyroyal is like most, after about 2 or so the classes are over and life is better. We'll see what we get with viz in the kiddie pool.
Most of the Dive Shops show up around 8 or 8:30 CST and they spend about an hour getting checked in and unloaded. They do their 2 dives and leave. Most of the time the viz gets kicked up in the 30' or shallower area and then around 4 or 5 the viz is better and you can get some good shallow dives done. None of the OW classes venture past ~40' because it is too cold for them. Dives past 50' are amazing because of the clear water but expect to need a 7mm or drysuit. Don't forget the hood and gloves!
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Matt