2 more quick questions

1. are spiral cfls just as good as the u shaped ones..23 watt 1600 lumen.

2.i made a co2 producing mixture with yeast i got from the faq.when i shake it up and let off the top it sprays just a little...if that hits the plants is it bad?

does anybody have answers?

im not sure about the cfl question, but if you mean the yeast mixture is spitting onto your plants then thats not good, you just want the gas, nothing else, that spray could harm your plants

There is not difference in Spiral and U-Tube type CFLs, except from where they emit the most lumens.

how do the spirals emit the most lumens? in which direction