Hello
I am new here, and register just to share this idea.
D5 NEXT is probably the best pump on market. Just one little thing (in addition to the price) can make it better. There is a very nice and sophisticated High Flow NEXT sensor, with close to the same functions (except for pumping of course), BUT it has one more important function moreover, which is the electrical conductivity sensor. And AFAIK the D5 NEXT hasn't this function at all. Except for this, there are the same monitoring functions (maybe D5 have less accurate measuring, but who need measure flow with high precision), and the same RGB functions, just this function is a big difference in the electronic systems of them.
So my (and I am pretty sure not only my) idea is to add this specific (and probably very easy to do) function to D5 NEXT pump, and make it the best pump at the world
And another small idea. Can you please add that RGB LEDs to the top (adapter) of the pump too, to allow it to illuminate the reservoir directly, and with no additional cables? Like some connector at the pump and the adapter... I know, there are sets with RGB reservoirs, but the price is terrible, and 55EUR extra just because of the separate RGB ring on them... And the solo pump with no top is useless anyway, except for some special sets... So there is a great possibility to create a new set of tops/adapters with ARGB, and some kind of direct connection between the pump and the top... But this idea is not as much important, as that first one