That sounds like the "Geo Method", research online, with a specific brand of soap.
As long as you've rinsed as well as possible, keep the seal in the toilet covered in water (or better yet rv anti freeze, it doesn't evaporate) then anything method or product you want to use should keep the odor under control.
__________________
Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
|