Forum Discussion
AO_hitech
Sep 11, 2013Explorer
1775 wrote:
After using the GEO method for a year, it has made no difference from just using the usual chemical tank treatments. The black tank sensors still don't work and as most will say - none of the standard in-tank sensors do.
Not sure what you are doing wrong, but it fixed mine after many, many years of not working and they continue to work today. :h
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