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CO2 & PH Controllers
Just one point. The PH controller will typically also read out the PH of
the water on a continuous basis. A controller is probably 100 to 120 US dollars more than a simple PH monitor. In addition, for a controller based system you would need a solenoid on your valve unit which is an additional expense. In total, for a controller based system, you are looking at another 150 bucks or so extra cost-- assuming you are going to buy a PH monitor as suggested by Bob and Tom if you don't get a controller. I s'pose that will buy a lot of plants! (I am happy with my set up though..) As I said in my previous post, get the details on successful, non-controller based systems and try to replicate that. The reactor will affect performance greatly, as will your valve's fine adjustment capabilities. Tom's configuration suggestion is no doubt a good one. -Bruce Geist " wrote in message om... "Blake" wrote in message ... I have a 155g tank that I'm getting ready to re-plant. I'm going to be adding a CO2 system to it and am considering a PH controller. I was wondering if anyone had any advice as to: 1) Whether this is really necessary 2) Which one is better Thanks, Blake Don't need it and will not help. Get a pH monitor instead, this is cheaper and has the accurate display of pH etc. You adjust the pH by setting the needle valve which will hold a steady pH in a weel designed system as good as most any pH controller set ups. Regards, Tom Barr |
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