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I would purposely break them with a siphon hose while doing a water change. That way you suck up the spores. Then I would go in and get whatever, if anything was left stuck to the rock.
I'll take it one step further. Why not post your personal experiences related to the topic and then post links to the relevant information. That way, the user can make their own determinations, ask specific questions about something they don't understand, and the "spin" (for lack of a better...
All kidding aside, it's great to have you here Boomer. The knowledge and experience you bring is invaluable to the members of this club. It's always best to have as much information, slanted or not, on any subject so one can make the best decision for them self. But the less slanted, the better...
I believe your right Phyl. The 12 most likely puts out too much to be anything but a wet skimmer unless you used a ball valve or something to choke it back. At that point you might as well use a smaller pump like the suggested 9.5.