Dialtone - Thank you. I'll look into this 'soluable packet' stuff. I'm currently using pH down that's red liquid. And I'll check it more often.
Yes, I hope I can time the flushing correctly. I'm pretty anxious about the whole thing. More so than when to harvest.

I'm not sure how to predict when it'll be 2 weeks before harvest. Will have to do some heavy reading on it.
moreover1 Reviewed by moreover1 on . First Grow - 4 weeks into flower (pic) Suggestions? Hi. Technically, my first grow was a bagseed try. 2 Gorgeous males! This is my first 'real' try. Bought seed. I have a NL X Shiva and White Widow. In hydro (bubblers). Now 4 weeks into flower. 400w HPS. Nutes are GH but I don't follow one set formula, but loosely based on Lucas's or 123. (I need to nail this down) I don't have a PPM or pH meter. I use the pH drop kit. pH is at higher 5's (near as I can tell), but I suspect I've had fluctuations. I want to do this right & am getting Rating: 5