Quote Originally Posted by shawty08
since dry ice is compressed, frozen CO2, would it be safe to put some dry ice on top of my medium so that it melts and releases the CO2 around the plant? Just thought it could be a cheap source of CO2. All suggestions are appreciated:rastasmoke:
Dry ice is really cold, so cold it burns... I don't think it will be wise to put it on the top of the medium it may freeze it and the plant can suffer from it! Maybe close by with a fan pushing the air on the plant but even there I'm not too sure it's safe.