but,,, believe me,, if you have the 10 dollars, buy the ph down youll need it thruout your grow,, if low on funds, other things work for emergencies,,, just speaking from experience not just talkin out my ass... Oh yeah, I wouldnt be able to let my plants go without checking up on them at least every 2 to 3 minutes,, at least thats what my wife says,,, she said maybe I should just have sex with them instead,,, I was thinking,, wow,,,, seeed my plants myself, Hmmmmm,, I wonder,,, I have good genetics,,HmmmmmmmLMAO