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Old 01-18-2022, 09:21 AM   #21
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Originally Posted by Cat320 View Post
We've been RVing since the early 70s and the only thing we have ever used is Calgon Bath Beads, which will make the tank sides slippery to assist in draining.
How much and how often?
Greg & Linda
2021 41' Montana 3762BP, 2022 RAM 3500 Dually 420HP 1075 FPT and 17 SPEAKERS!!!
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Old 01-19-2022, 08:19 AM   #22
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I get the beads at Walmart for a couple of dollars a box....they call them beads, but they look like colored sugar. Dissolve about a fourth of a cup in hot water, and put them in the toilet after dumping....flush the toilet.

This stuff is really slick (literally). The box says use 1/2 cup for a bath tub. A normal tub is about 80 gallons, my black tank is 40 gallons, thus my reasoning for using 1/4 cup.
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Old 01-27-2022, 10:13 AM   #23
DebNJim B
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We have been in one location since Oct, w/FHU. We dump the black tank once a week and the grey tanks twice. It's just DW and I and we use lots of water (hold pedal down for 5 full seconds each flush) We use Walmart TP, tests show it breaks down better than RV paper. I am currently using Digest it based on reviews on this forum, but I don't see any better performance than using one capful of Calgon with one capful of Dawn or laundry soap. I generally run the flush through several cycles of around 5-10 gals per cycle and then just let it run about 10 gals with the valve open.
This has been our practice for the last 8 years of snow birding. We have tried many different additives, but none seem to work better than the Calgon/soap eco treatment. After 25 yrs experience in liquid waste business I can tell you that there is nothing that will break down waste in less than a week.
As for poo-pyramids, always leave all valves closed till dumping and use plenty of water and lots of flushing. I know that's hard when toting but it's important.
Jim B
2017 Lariat F-350 FX4, CC, SB, 6.7 PSD 4WD
2018 MONTY 3731FL, at our private winter site in GA

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