Quote Originally Posted by turtle420
Or kill your self... CO2 is odorless, and colorless... you won't see it... the 1500ppm levels we where talking about, are absolutely DEADLY to humans... and dogs... and cats...

Remeber: SAFETY FIRST!
ummm... thats a joke right?? :rasta:

OSHA says you can work for 8 hours in some crap like 60,000 ppm... it wont kill you unless you suffocate yourself with it... ie - no more oxygen.

to my knowledge you cant buy bottled up deadly gas... or we'd have a bunch of mini-hitlers running around using them.

you CAN use sodium-free seltzer water as co2 - there is actually a lot of CO2 in 1 bottle... you want to mist the UNDERSIDE of all of the leaves... it actually helps - they recommend 3x a day if thats your method, but 1x a day, right at lights on works well IMO. it must be sodium free... it should just be carbonated water.

i know a lot of ppl use the cheap-o method of makin' co2 with the yeast and all - but IMO tanks are the only way to go... you get dependable co2 thats always working, and a GAUGE tells you when you need more.. you dont have to stick your head in a bucket and see how much you yack to tell if your co2 is workin.