Any use for the wash after distillation?

[ShooterNZ]

How do you discard the wash after distilling it?

Down the drain or...

Is it useful in gardens , composts, worm farms or maybe something else?

IS there any harm in it in the septic tank system?

[thecroweater]

weed/lawn killer I doubt it will upset ya septic to much.

[Kareltje]

Depends.
Wash of an on the grain or fruit stripping run I let cool down and dump on the compost.
Hot wash I sometimes use against weed, but cold I dump on my lawn, where it soon sinks into the ground and adds to the groundwater. (In about 25 years it will be pumped up again for drinking water.)

I think your septic tank does not like hot wash but as you do not ferment something harmful, a cool wash should be no problem. When you take medicins it gets worse.

[JellybeanCorncob]

After distilling I pour the clear cooled wash down the drain. Been doing it for 3 years. No problem with my septic system (yet) . I distill with a thumper, I put the mash in there, grains and all then distill. After distilling I let it cool then dump it in the compost.
JBC

[JellybeanCorncob]

Hot wash I sometimes use against weed

Please be careful with hot liquids near trees! It can kill the roots and can even kill your trees.
JBC

[Kareltje]

Thanks, but I use it only on my terrace.

[Odin]

Or use part of it to sour mash or backset a new ferment ...

Or use a heat exchanger to at least reap the energy in the close to 100C boiler left-overs. The energy stored there will help you create mashing water at 60C with ease.

Odin.

[shadylane]

Backset makes a good metal parts cleaner

[NZChris]

Most of mine gets used for weed & seed killer, fertilizing at the same time.

[nuntius01]

works great killing ant mounds

[markieb]

im lucky ive got a rodding point for the drain next to where i distill so i just remove the cover put the lease and backset straight down the rodding point with a little flush whilst the water for the condenser is flowing it pushes it down with ease no blockages yet.

[Expat]

Drill pumped into the slop sink, or used as backset as described above.

[DAD300]

If it matches schedule I leave some in the boiler as backset/dunder for nest mash or distillation.

But, if you have critters (goats or cows) you can feed them wash and they will drink it.

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[Kareltje]

Now you mention it: it seems the backset of whisky in Scotland was banned from pastures where sheep grazed, because sheep are very prone to copper poisoning.