Edd, I take the intake hose off and stuff a smaller hose in a couple inches and re-clamp it. Use electrical tape to make the outside diameter fit whatever small hose you have and pull antifreeze remotely. The less permanent connections to sea water the better for less leak potential. I use a 2 or 3 foot piece of beverage hose and place a large antifreeze container on the floor. Takes 10 seconds to rig and works every time. Factor the small size of the opening in the antifreeze jug with whatever hose size you end up installing. My 2 cents: keep it simple. Save your money for racing sails. Len
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