I recently completed installing two Johnson Ultra Ballast pumps to fill a custom rear port sac from chpthrll and a W711 bow sac. Mike put together a total install package and patiently coached me through the install. He designed the system to drain through the vents so I can see when the sacs are full and empty. It required a good bit more hose and fittings, and more work, but totally worth it. IMO, Mike is the guy to work with when you want to add ballast. I also want to put in a plug for Polaris Marine Electric who had the breakers I needed and first class customer service.

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