The cupboard under the hopper is just about ready, the intention is to get some electrical connections in it as a number of timers for lighting.
I started with a few things, I still want to do, while waiting for the leaching of the new aquarium.
I want the filter system connected to the reservoir of the toilet so that when you flush the toilet you do that with used aquarium water and the aquarium fills with fresh clean tap water (you would normally flush the toilet with).
This way you get every day some fresh water in the aquarium system, depending on how often you use the toilet.
We have historically done this before, it works fine and the 3 or 2 weekly water changes are no longer necessary, moreover, in this way no water thrown away. Now, this example with an aquarium of 300 liters is not that big a problem.
In our case, the tank system is out of 5000 liters.
In this way, the water quality values and always on the same level.
A major disadvantage of this method of water changes is that for example, every day you need 150 liters of water to add unheated, here I make a buffer of about 250 liters, where the water is heated by including a number of central lines and in a later stage the planned solar collector.
The buffer will be placed behind the existing filterline.
When for some reason i don't want to continue with the things i wrote about above, the buffer can be connected to the filter system.