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   Post on Tanks Tanks Tanks in Technical tasks

   By stressedout72, posted 22 Dec 2013

   Ok all I thought I would start a post regarding issues with older “pre 2004†wing tanks. I say pre 2004 because after a few years of testing I began manufacturing tanks for a few companies.
    
   Here is a Fix that some have tried. "SLOSHING"
    
   I have many issues with "Sloshing" a tank sealant in any fiberglass tank.
    
   #1. If the tanks are in the wings already you have to rotate, flip the entire wing just too hopefully etch it. This is no good in my book because you will never get the whole tank covered with the etching material or sealant.
    
   #2. The manufactures of tank sealants do not know what types of resins the tanks are made of and it’s pretty much an educated guess on their part if their materials will truly work.
    
   #3. If the tank being sealed is not "abraded" I.E. sanded at least with 80grit for the sealant, 9 times out of 10 it will not adhere to the surfaces. If things are not perfect the materials typically peel off within a period of time. I have witnessed this more than once. You cannot use screws, bolts, nails of any other thing to try and abrade the tank surface other than by hand sanding every area.
    
   My final thought on tank sealants, Bad Idea.