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Old 03-09-2016, 09:50 PM   #21
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I had a mobile tech scheduled for this afternoon. Thus morning I went out and opened the black tank valve and it started to come out. Big clumps. So I filled the gray tank and it drained fine. It wasn't yesterday. So I decided what the heck, the tech is coming later so I hooked up the hose to the black tank flush and continued filling up the tank to full. Opened the valve and it all came flushing out. Did it again and all is well. I'm not sure what it was but I saved 150.00 service call. I do put water in the tank after dumping though. So I'm not sure it was the pyramid of doom. Just glad it's over. Thanks for the suggestions everyone.
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Old 03-09-2016, 09:52 PM   #22
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Chemicals....
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Old 03-09-2016, 10:01 PM   #23
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A drive down a bumpy road will loosen up most clogs. I learned that with my first trailer. We were camping at Lassen park and the black tank wouldn't drain. Had to drive 80 miles for warranty service. When we got there it drained just fine. Now if I get a clog I drive around the campground and try again.
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Old 03-09-2016, 10:29 PM   #24
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Glad everything came out well. Bob Caldwell is correct, using a chemical that biodegrades waste may help to liquefy things, but not all chemicals are created equal, do some research and find one that has enzymes, and is not just and odor controller. Some chemicals can actually cause the waste to harden on the bottom of the tank.

For the gray tanks I have started using a cup of liquid Cascade dishwashing soap added every other full tank or so. Within weeks of using our new Silverback the tank sensors stop working correctly. After one treatment while moving from one park to another and letting this mixture slush around with a 1/4 tank of water, the sensors are working good. The tank sensor cleaner that can be purchased at CW did not do a thing. I have also started to add some liquid fabric softener to each tank to lube the valves and tank walls to prevent build up. I can not take credit for this I found this method on another post, but I can say it works.
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Old 03-09-2016, 10:32 PM   #25
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Quote:
Originally Posted by rblake39 View Post
I had a mobile tech scheduled for this afternoon. This morning I went out and opened the black tank valve and it started to come out. Big clumps. So I filled the gray tank and it drained fine. It wasn't yesterday. So I decided what the heck, the tech is coming later so I hooked up the hose to the black tank flush and continued filling up the tank to full. Opened the valve and it all came flushing out. Did it again and all is well. I'm not sure what it was but I saved 150.00 service call. I do put water in the tank after dumping though. So I'm not sure it was the pyramid of doom. Just glad it's over. Thanks for the suggestions everyone.
Like what was brought to the table Early in this Post,NOT Enough WATER! By your own admission you "Continued" to fill up the Black tank,then it all came "Flushing Out"! Youroo!!
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Old 03-09-2016, 10:35 PM   #26
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Look up 'Piranha'.....does it all.....Super Seal Specialty Co. inc....1 888 299 2136
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