Fresh filling and black tank flush questions

[SteveO]

I think the blue tablets are what the RV dealer told us to get. How does that enzyme stuff work? Is it pretty much the same as the blue tablets? Toss one in the toilet when you start camping and add a gallon or so water?

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I've also been able to find blue tablets that are enzymes as well. I drop a tablet in before we store the RV, and then add another at the start of our trip. Just like LV Naturist indicated, when we dump all I see come through the clear elbow is brown liquid, and with a little bit of Black Rinse through the system, it comes out clear fairly quickly. I've also done the trick at the dump station where you leave the black rinse on, close the valve and let it fill the tank, and open again. Just FYI though, it fills up quicker than you think so have a helper keep an eye on the tank level, or keep the water on low. Also, in consideration of others, I only do that extra rinse if nobody is waiting behind me.

[BreakfastinAmerica]

Don’t get to hung up on type of toilet chemicals when camping. You have holding tanks not a septic system. Keep it clean , use plenty of water in black tank or you will join the poop pyramid club. If your out longer than a week, add more chemical to keep odors away until you dump your tank.

[Johnww]

FWIW, I keep my stinky slinky and the hose I use to flush the black tank in a plastic bin with a snap on lid. Once or twice a year I put the bin on the ground and fill it with bleach water mixture and let it sit for several hours. Sure keeps the hose and bin smelling clean.

[aljewett]

The owners manual says to "always keep 4-6" of water in the black tank". How do you know when you have 4-6"? I just dumped 4 gallons of water in the toilet, and a blue tab, hoping that would be enough to keep the stink down while it was parked.

[boyscout]

The owners manual says to "always keep 4-6" of water in the black tank". How do you know when you have 4-6"? I just dumped 4 gallons of water in the toilet, and a blue tab, hoping that would be enough to keep the stink down while it was parked.

Putting 4 gallons in the toilet works just fine!

However if you wanna get fancy, a lot of us have flow meters like this one:

https://www.amazon.com/Save-a-Drop-E...117938&sr=8-10

You can put that on your black tank flush supply line (with the dump valve closed of course), turn on the hose, and fill until the meter says you've put in four or six gallons. (Don't wander away while doing it... there are stories of guys getting distracted and overfilling the black tank, causing it to rupture which some find to be an unpleasant experience.)