It's not time to add the stabilizer until you're able to hold FC overnight (sundown to sunup before sun is on the pool). At that point, you need to change out your filter media, and THEN add your stabilizer. Also, with the pH at 7.2, I would leave it alone for right now.

I also would not use the splash-free bleach--can you return it and exchange it for regular, generic bleach? The splash-free part means that there's been something added to change the bleach--and additives usually create problems in pool water.

I'm sorry that we were late getting to this thread--I somehow missed it until today, too. ;(