I have metal in the transmission pan and the filter is dirty
filter
Your fishtank gets dirty quicker.
they arent, its just the mud makig the water dirty if you filter it the water is drinkable
Cartridge is not installed correctly or you have a crack in the manifold allowing dirty water to pass by the filter.
There is dirty water all over Africa. It's not easy to keep rivers clean,or to filter water.
You could use a filter or if the water is muddy you can also use the method of sedimentation.
the water will become dirty
You can filter it by using a Reverse Osmosis system.
when the water starts to get dirty if it is a bit dirty then leave it when it starts to get really dirty clean the filter and your fish tank
Then it's dirty. Good point. Stagnant MEANS dirty.
Any kind of filtration unit would be good it depends on whats wrong with the water. Thanks!