Haha, sorry to inundate you with information overload. It's like that bing commercial ragging on google. The googleheads are just spouting random info instead of something useful. I don't agree with the commercial but I like it. I sometimes feel that way too. I, myself, am pondering what path to take to beat my fuzz algae.
But, you know what? Recently, at a local fish store, during a workshop, the owner made a very interesting quote when he was asked more and more specific questions that he didn't have any hard scientific answers for .. "This is why it's a hobby, and not a science!"
For the conflicting information, you'll soon realize who knows what they're talking about and who doesn't. Gravitate to the guys who do, like darkblade, oldpunk, especially plantbrain. You'll notice that they spread mostly the same principles. The rest of us just repeat it. Nothing I've told you is contradictory to their info -- or at least if I did, it would've been accidental. They've done this so much before me and a few have worked with these things as their livelihood. They know this like you know your server administration. So, to me, their words weigh more.
As for the reactor, I see you encountered some more conflicting info as usual. Just breathe, buddy. I got no more facts.
would have been .. reactors work better than diffusers. By you switching, I think you give up co2 injection efficiency. Heck, I was admiring your reactor and considering getting one since I suspect my diffuser wastes gas. I think nightspell was giving you an option in case shutting your reactor didn't work. I take it that didn't work well? I guess we lost sight of your original problem. That is, controlling co2. If you are going to use a ph controller to control your co2, you probably won't need to jury rig the hob or shut off the reactor.