A pH Pen or the drops is a necessity. Also, if you are using tap, be sure to let it sit in a bucket 24 hours before using to allow any remaining chlorine to evaporate.
Reserva Privada is an unknown. Random seeds that DNA received over the years. I'm a Jack Herrer kind of guy, so I would run that first. I have run Blue Dream from HSO as well, it is what you would expect.
Putangluv is correct. You are going to create a nice warm and humid environment in the outer room. But that may be controllable with your house hvac system if you are only using 600w (depending on your outdoor climate). Definitely follow your plan with the oscillating fan inside the tent...
Noticed the same thing. I would guess there are multiple servers used for this site, and they are not backing up properly or we are pointing to an old server at the moment.