Humminbird IDMK900 In Dash Mounting Kit for 900 Series Standard Packaging auspowers_batchtwo Place the hydrometer in the

Place the hydrometer in the liquid making sure that it is completely suspended and not touching the sides of the Test jar

food grade materials

blacklights

unrestricting the threaded stud the wing nuts is being used on

just small carabiner clip helps and that's enough

Humminbird IDMK900 In Dash Mounting Kit for 900 Series Standard Packaging auspowers_batchtwo Place the hydrometer in theHumminbird IDMK900 In Dash Mounting Kit for 900 Series Kit allows in dash mounting of all 800 and 900 Series products. Compatible with 800 and 900 Series products only. Requires an opening of 10 1 16" W x 4 15 16" H. Includes a one year limited warranty. Product Features Kit allows in dash mounting of all 800 & 900 Series products Compatible with 800 and 900 Series products only Requires an opening of 10 1 16" W x 4 15 16" H Includes a one year