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Author Topic: gray and black water tanks  (Read 463 times)

standardbred1

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  • Posts: 8
gray and black water tanks
« on: October 03, 2017, 03:29:07 PM »
Hi all,

I just bought a new hideout 38fqts and I am planning on going full time in it by the end of the month, but I am having some confusion about the water tanks. My rv park has full hookup water,sewer,electric and I will not be moving it anytime soon. With that being said, can I leave the tank valves open all the time or do I have to shut them after each use? I have had some feedback of keeping my gray tank open and letting the black tank fill up 3/4 full before emptying it. But would the tanks even be in use if its hooked up to site? Also, do you shut off hot water heater when not in use?
Sorry for the confusing question, I have had a lot of different answers but none from someone who is not traveling on the road.
Thanks in advance!

Ranger smith

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  • Posts: 6
Re: gray and black water tanks
« Reply #1 on: October 03, 2017, 03:32:23 PM »
You should leave the black tank closed and open when tank gets full. If you leave it open the liquid waste will drain and the solids will get real solid. I like to also leave the gray closed and when I empty the black I then empty the gray to flush the black tank matter out.

standardbred1

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  • Posts: 8
Re: gray and black water tanks
« Reply #2 on: October 03, 2017, 03:40:55 PM »
Do you leave the gray closed all the time or do you close it only when the black tank nears 3/4 full?

Oldgator73

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Re: gray and black water tanks
« Reply #3 on: October 03, 2017, 04:13:09 PM »
Most folks leave both closed. When they get full you drain the black First then the grey. By doing this you somewhat clean the common pipes and your sewer hose. If you have a blacktank fill inlet on the outside of your unit you can fill about 1/4-1/2 way a few times and flush. Do not use your city water hose for this operation. Use a seperate hose of a color other than white. This way you won't get the hoses confused.

UTTransplant

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  • Posts: 964
  • Salt Lake City area
Re: gray and black water tanks
« Reply #4 on: October 03, 2017, 04:23:55 PM »
Previous posters have the black and gray tanks covered. As for your water heater, I just leave mine on. Some people turn it off to save fuel (either gas or propane). I trade the limited cost of heating the water for hot water whenever I want it.
Pam and Kevin plus Minou and Lily (the cats) plus Lexi (the grand-dog)
2014 Outdoors RV Timber Ridge 240RKS
2015 Ram 2500 Diesel
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JackL

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  • Posts: 554
Re: gray and black water tanks
« Reply #5 on: October 03, 2017, 04:53:32 PM »
Leave the black tank closed until you are ready to dump it
Leave the gray tank open until the day before you will be dumping the black. Then use the gray to flush the pipe after the black is dumped.

When you dump the black, flush it with clean water(5 or 10 gallons when you are done) down the toilet

The key to it all is using the proper dosage of chemicals after every black tank dump dump

 On the water heater, we keep our electric one on around the clock

jack L

Oldgator73

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Re: gray and black water tanks
« Reply #6 on: October 03, 2017, 05:34:09 PM »
The key to it all is using the proper dosage of chemicals after every black tank dump dump
jack L

We have never used chemicals. It's a personal choice.

Rene T

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  • Great being on the right side of the grass
Re: gray and black water tanks
« Reply #7 on: October 03, 2017, 05:34:50 PM »
I was ready to say that most people leave their gray water tanks open until a day or two before you want to dump the black tank. Like JackL said, use the gray water to flush the sewer line. Just to add one thing, if you have a flusher, use it to flush the black tank. When done, run it for a couple of minutes to put about 5 gallons of water in your black tank. You need this to continue the breakdown action in case anything was left behind and to help start it when you use the toilet.  No need of any chemicals. Waste of money.
Rene & Lucille & co-pilot Buddy
AKA  Pep N Mem
2011 Chevy Duramax 2500 HD 4X4
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From the Granite State of NH
& Florida Snowbird in Lakeland FL

ArdraF

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  • Posts: 9780
Re: gray and black water tanks
« Reply #8 on: October 03, 2017, 07:33:05 PM »
Quote
can I leave the tank valves open all the time or do I have to shut them after each use? I have had some feedback of keeping my gray tank open and letting the black tank fill up 3/4 full before emptying it.

We close the black tank valve until it's time to dump so the solids don't harden.  We tend to leave the gray tank valve open until a day or so before dumping the black tank.  If you close the gray tank you might find overflows if you use the washing machine (if you have one) or if you take a shower and forget it's closed.  I prefer open until close to dumping.

As others said, dump the black tank first and "flush" it with the cleaner gray tank water.  Chemicals not necessary.

ArdraF
ArdraF
:D :D

HappyWanderer

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  • Posts: 1595
Re: gray and black water tanks
« Reply #9 on: October 03, 2017, 10:01:48 PM »
To clarify the comments about leaving the water heater on: that's okay to do provided the water heater is full of water and air has been purged. Leaving the water heater turned on while empty will burn out the heating element.

We leave the gray tank closed, and dump when needed. Any solids that get past the sink strainer will be flushed out, and not sit in the tank to stink. The gray tank can smell as bad as the black tank under the right conditions.
I don't have gray hair. I have wisdom highlights.

kdbgoat

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Re: gray and black water tanks
« Reply #10 on: October 04, 2017, 06:54:36 AM »
The gray tank can smell as bad as the black tank under the right conditions.

^X2^ The gray tank can get really bad.
I know you believe you understand what you think I said,
But I am not sure you realize what you heard is not what I meant


2016 Leprechaun 319DS

dsmall54

  • Posts: 4
Re: gray and black water tanks
« Reply #11 on: October 09, 2017, 11:20:24 AM »
Leave the black closed till you need to drain.  I keep my gray open only when wife is going to do laundry so as not to overfill gray tank.  Otherwise I will keep the gray closed and use it to flush out the solid black waste left lying in the drain hose.

 

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