I compared the MSDS of all 3 options, green, blue and gel:
http://d362101.pro64.promodem.com//uplo ... 0f1ab1.pdf
http://d362101.pro64.promodem.com//uplo ... a5d85b.pdf
http://d362101.pro64.promodem.com//uplo ... 757576.pdf
I 'll spare you the time to go through them all, but my conclusion is:
Go Blue!! it has the highest concentration of 2-Butanone (whatever that is


Gel is still OK, but lower on the 2-Butanone.
The green une is useless, as non-toxic...


TGG!
PS: this here expolains what makes squirt boating so great... http://trace.tennessee.edu/cgi/viewcont ... k_gradthes