Posted 4/19/2014 08:21 (#3824755 - in reply to #3824183) Subject: RE: starter fertilizer sight gauge issue
Hopkinsville, KY
We have had the same issue. Depending on the check valve, screw off the retainer cap and clean the rubber valve part. Sometimes the fert dries out and you get build up on the rubber seal. It may need to be completely replaced.