I just got mine. Waiting on my custom reservoir before hooking it up. I'm actually intimidated by it-lol. Programming it wise.
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Where did you see a new version of the DP-4 released?
Hi,guys.
I have a 90 gallon lps and soft coral tank.I want ask you that Rw_8 is better or Rw_15?
Also My size tank is:120cm*50cm*60cm.(L*w*h).
Thanks,
If you put a rw15 in my 110 at highest setting you get water sloshing out of tank. The rw4 is perfect on my 40b. It will throw water out to on highest setting. The pumps work great
No, I have not seen any problems with the pump staying on long. Haven't seen others report this either, have you had that problem or seen anyone else report that?
The first and only time I have heard it is post #22 in this thread.
I saw that, but I don't think that it was confirmed for sure that the doser stayed on dosing longer than programmed. It could also have been a continues dripping problem which many have reported and all seem to have fixed by installing the rollers the way I did. As of now I have not seen any issues with the timer/controller in the unit. All the issues that I have seen seem to be related to the pump heads.
So, does this mean that all of these units have the rollers incorrectly installed, or just yours ?
I want a doser for our 29g reef, but don't want a bad problem. We have their RW-4 powerhead/wavemaker, and really like it.
I'll chime in here.
I've been running my DP-4 for a few months. And I have been experiencing air bubbles in the discharge side of the doser just past the head on 3 of the 4 pumps.
I have tried all of the usual fixes to no avail. I even tried flipping the rollers inside the head as Fragguy suggests, still having the problem. At this point, I just test weekly and reprime the lines as needed. My Alk, Cal and Mag are where they should be and I use the 4th pump for NO4POX and Phos is fine.