When I purchased my 2018 3921GK I opted for the optional Splendide stackable washer/dryer set. I've been really happy with them but I've noticed a bit of odor from the washer. I think this is typical of all front load washing machines. I wipe the machine out after each use and try and leave the door ajar to let it dry out but it still smells a bit. I've tried using Afresh and now Tide has a new washer cleaner and these products help a lot with the odor but I was wondering if I need to be concerned with the effects of these washing machine cleaners on my gray water holding tank/tank valves? Anyone have any experience or feedback on this? Thank you.

The washing machine has a drain cycle, DW uses it after finishing laundry & have not had any odors. We have used the washer cleaning products & as far as I know at this point hasn't hurt the holding tank, but if we have sewer connected I leave that grey (wash machine, lavatory & shower) valve open.

The washing machine has a drain cycle, DW uses it after finishing laundry & have not had any odors. We have used the washer cleaning products & as far as I know at this point hasn't hurt the holding tank, but if we have sewer connected I leave that grey (wash machine, lavatory & shower) valve open.

Thanks for the reply Danny and Linda. I’m glad to hear you are using these products without issue. Heck I kinda figured that if these products clean and deodorize the washer they should probably do so for the tank as well.

I am permanently hooked up to a sewer line but I have a warning sticker on the side of my coach near the sewer hose connection that warns not to leave the valves open to prevent sewer gas accumulation which can pose a serious health hazard.

I always form a P trap in my sewer hose by dropping a sag in it on one end or the other, in the middle or wherever works, to prevent gases from filling the tank. Then leaving the valve open isn't a problem.

I always form a P trap in my sewer hose by dropping a sag in it on one end or the other, in the middle or wherever works, to prevent gases from filling the tank. Then leaving the valve open isn't a problem.

Thanks Danny and Linda. Never thought about creating a p-trap/dip in the sewer hose. Makes sense but won't work in the winter unless of course I heat the sewer hose.

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I always form a P trap in my sewer hose by dropping a sag in it on one end or the other, in the middle or wherever works, to prevent gases from filling the tank. Then leaving the valve open isn't a problem.

Thanks Danny and Linda. Never thought about creating a p-trap/dip in the sewer hose. Makes sense but won't work in the winter unless of course I heat the sewer hose.

In the winter I only hook up the hose to drain when needed & put back away.
Usually in winter we are somewhere, anywhere, that freezing is not going to be in the forecast!!!