The question of peat makes me think – even in Germany we have problems to preserve the moore …and the garden products I do not trust.
And perhaps one reason why peat makes the conductivity higher is, because it had been dried and so began to dissolve?
But I also don´t want to work with chemicals.
Perhaps alder cones and leaves will be enough?
I will give my P. linkei tap water, as long as the conductivity is again 20 or 30 µS. But the pH is still stable.
I´ve lowered temperature in the P.linkei breeding tank to give them a rest.