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Message: <blockquote data-quote="BradB" data-source="post: 10643425" data-attributes="member: 9823">We already have lots of Apex vs GHL vs Hydros general threads, so I am not trying to create another one.  I did still have some specific questions that don't seem answered.1) I started with the idea I needed to upgrade an old cheap dosing pump that clogs frequently and is near end of life.  Thinking about this more, having a computer logged pH solves clogging issues and is something I want anyway.  Is there any reason to prefer one over another solely based dosing solution?  Does it make sense to buy an Apex and a GHL doser?  Can a Profilux control a Neptune DOS?  Even if you recommend a standalone doser that works with any controller, I still want to know if there is any difference in my dosing options based on controller choice.2) GHL seems to have better quality probes, at least based on the forums.  Is this only an initial setup issue?  Or will I have better accuracy 20 years from now because I bought a Proflux?3)  Lots of talk about interfaces being easier or harder.  I am not concerned about this, as I write software and I'd design and build my own controller if I had time.  What concerns me about GHL is it is a desktop app.  The ability to monitor especially but also change things while I am on vacation is huge.  Is Internet accessibility a reason to choose one over another?4) Monitoring power usage is a big plus, especially if costs keep going up.  Can they all do this?  Any advantages to one or another here?5) I have an RO connected to a 75 gallon reservoir 50 feet away.  When the reservoir is full, I have to manually turn off the RO.  If I time it wrong or forget entirely, the reservoir overflows and I have a flood.  A monitor to tell me it is full would be great, or at least something to let me know it flooded.  Controlling  a solenoid to the RO would be even better.  Is this a reason to choose one over another?6) Any difference in durability?  Salt spray and humidity are not kind, and even reef equipment designed for this shows damage after enough years.7) My display tank is in my office, my sump is in my basement, and running wires between them is difficult but not impossible.  I'd like an automatic fish feeder, monitoring the temperature of the display tank, possibly controlling powerheads.  Doing so wirelessly would be a huge bonus.  Do any of the do this?  Or do this better?8) I am a DIY LED guy and have been planning and putting off building my own PWM lighting controller for about a decade.  I know the GHL advertises 32 fully controllable PWM channels.  I assume Apex and Hyros are similar, but don't advertise this as heavily.  Am I correct?</blockquote>

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