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Old 03-24-2010, 01:17 PM   #60
dtownfan's Avatar
Join Date: Jan 2010
Location: Northern Virginia
Posts: 50
never used grease.....i vote water. i made a version of bob's wet mount and love it. it has worked very well and you never will have to worry about the mess you could have. i have the 2010 570 hummingbird. i have been out on 3 full day trips and love my readings.

water = no bubbles......grease i am not sure about.

plus++++++ water is free!
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