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Old 11-12-2012, 07:06 PM   #11
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Thanks for all of the helpful comments and yes I was relying on the lighted indicators to let me know when the grey as well as the black tanks were full. I had never read on the forums not to rely on them but I will keep that in mind for the future. Looking down the discharge of the toilet I can see a black seal approx. where the floor level is and then below that is a piece of pvc pipe extending into the tank about 4 to 6 inches (the inside of the tank appears to be just a few inches from the end of the pipe extension with it sloping away from the extension so I'm assuming that the tank would be full with the water level just below the seal inside the pvc pipe. I can see the reasoning on looking down the toilet to check the level of the black tank but how do I determine the actual level of the grey tank? Since I'm not sure how well the previous owner maintained his tanks I was hoping to use some chemicals to try and break down whatever remains were left and once I was confident that I had it clean then I would maintain with the Geo method. I am currently using a clear 45 degree hydroflush elbow so I was getting the expected results with the initial dumping but I noticed it didn't seem to clear out the majority of the toilet paper and so I ran the hose into the camper and filled up the tank twice again with each time clearing out a little more until the water ran pretty clear on the last fillup. I have also ordered a twist on gate valve to use in combo with the hydroflush so I can backfill the tanks without having to carry a hose into the camper. Also I just ordered the Camco rv quickie flush to mount on the black tank for future use next spring so with everyones helpful suggestions I'm slowly learning what it takes to maintain a trouble free rv. Thanks again for all of the comments.
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Old 11-12-2012, 07:38 PM   #12
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I love learning from these forums and I trust the advice and opinions!
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Old 11-12-2012, 07:55 PM   #13
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My advice:

For a complete cleaning of your black and gray tanks I do the following:

Unique RV Digest-It

I have had great results.
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Old 11-12-2012, 08:42 PM   #14
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From my experience the cleaner you get the tank after every use the better chance you have of the gauger reading accurately. I am a firm believer in the Tornado tank rinser.
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Old 11-12-2012, 08:47 PM   #15
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Quote:
Originally Posted by Stingingfork View Post
I can see the reasoning on looking down the toilet to check the level of the black tank but how do I determine the actual level of the grey tank?
Once you've used the camper for a while, you'll learn the tank capacities in days (not gal) of normal use. The black tank you can see into...the gray tank will start filling the shower base when full.

You can search on the forum for Horst probes for tank level indication. Herk has them an has had good luck with them.

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Old 11-12-2012, 08:53 PM   #16
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Dave is correct. I love mine.

Horst tank Probe Installation
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Old 11-15-2012, 12:57 PM   #17
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I ordered some of the additive that Herk had mentioned (Unique RV Digest-It) and it should be in by Friday of this week. My question is since I just winterized my water system should I wait until next spring to add to the black and grey tanks and after flushing continue with the Geo method or would you go ahead and add now and flush before the onset of winter? Also what amount of water or antifreeze do you normally leave in the tanks for the winter to help maintain the seals on the gate valves?
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Old 11-15-2012, 01:19 PM   #18
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I ordered some of the additive that Herk had mentioned (Unique RV Digest-It) and it should be in by Friday of this week. My question is since I just winterized my water system should I wait until next spring to add to the black and grey tanks and after flushing continue with the Geo method or would you go ahead and add now and flush before the onset of winter? Also what amount of water or antifreeze do you normally leave in the tanks for the winter to help maintain the seals on the gate valves?
I don't know if the Digest It has a recommended temperature range...it probably does and it's probably too cold now.

You could do it now if it's not temperature dependent by pouring it into the toilet/shower drain and adding water with a hose in the toilet and shower drain. Where would you dump the tanks when you're done?

Best to leave the tank drained as much as possible...no anti-freeze required.

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Old 11-15-2012, 01:35 PM   #19
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I would also wait till spring now as the bacteria in RVDI require warmth to "wake up and get busy." I would do the 72-96 hour soak in the spring as part of your "unwrapping party."
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Old 11-15-2012, 02:32 PM   #20
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I know it attaches to a hose, but what I have been doing is.... I hold the other end under the bathroom sink faucet. I can't screw it on, but I just hold it there, I get enough pressure to use the toilet wand.

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Originally Posted by jtstromsburg View Post
I found the best way to clean the is to buy a tank flusher wand. It attaches to a hose and then you hold it down the toilet into the tank and turn on the water. It really works well. After I used ours a few times, I grew tired of dragging a hose through the camper so installed a black tank flush on the outside.

Good luck
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