i have this list of bong choices http://www.grasscity.com/us_en/flaming-skull-percolator-bong-clear-8.html http://www.grasscity.com/us_en/flaming-skull-percolator-bong-clear-5.html bottom one is 69 and has a carb and carb stopper top one has no carb and is 79 will it really make a difference? http://www.grasscity.com/us_en/percolator-bong-blue-black-leaf.html http://www.grasscity.com/us_en/percolator-bong-ice-elite-6-arm-perc-no-carb.html please help!!! thanks guys