FLEX XC 3401, FLEX L3403, or FLEX PE14-2-150 for Gel Coat
I've used a PC 7424 on my ski boat that is babied...wax job 3x/year, stays on lift to keep it out of the water, and stays covered to keep UV rays off it. On a well kept 21' ski boat, the 7424 took a while, but worked great & is all I...