GIII Ballast question: Supra 21V (rear bags don't drain fully)

[jmvotto]

http://www.wakemakers.com/hose-barb-wye.html
http://www.wakemakers.com/marine-bal...ose-black.html
http://www.wakemakers.com/fly-high-p...ting-w736.html
http://www.wakemakers.com/fly-high-p...ting-w742.html
http://www.wakemakers.com/stainless-hose-clamp.html

That should do it.