It took me almost a week, but I did it! Made photos when washing the dishes, measuring the used water and putting it in the waterer and then a photo after I watered 'something' with it.
To start with: the biodegradable dish
soap:
Link:
https://www.ecover.com/
First day:
Washing the dishes
Measuring the used water. This is 1 pint. Four of these go in my dishpan. So that's half a gallon. That's why I have to do it during 6 days.
Watered some plants, using the dish-water.
Second day:
To make it shorter I don't show 'washing the dishes' anymore. If you want to see it: it's in my 'secret' personal thread.
Dishpan with water, 1 of the 4 pints in the measuring can.
Watered some plants
Third day:
Dishpan with water etc.
Watered some plants
Fourth day:
Dishpan, water, etc.
Watered some plants
Fifth day:
Dishpan, water, etc.
Watered some plants
Sixth day:
Dishpan, water, etc.
Watered some plants
It happened to be the right time for doing this. No rain at all during those days. I'll go on until there's rain again ...