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This a high quality components unit, it seems tricky to use however just a slight view of user manual is enough to operate the unit. There is a lack of specific material of this product, instead of that you have to look for past model user manual to complement the lack of information of this new model. Just as an example is the function to reset the max/min Recall values, this basic function is not even mentioned in the current CHHC-4i user manual, as well as others... Overall it is a very good product, but manufacturers should release the product with a strong and solid information for the user. It is a very low investment that can give higher profits.
Verified purchase: Yes | Condition: New
This controller takes care of my 3’X3’ micro-garden. I run gem lettuce in a diy tub, and a tomato in 5 gallon dwc under a 215 watt Blackdog LED. Remarkable control of temps and humidity, as well as co2, which I don’t use. Sure is nice to know those Ppm’s though! I’ve had the unit for two weeks, and it has saved me a lot of time. Cleaned up my space nice, too. Less timers, less wires, and certainly more control over my micro-environment. I’m impressed, and I’d bet it would do as well in a much larger space....if only I had the room. I know the job can be done without it, but I justify the cost against the time spent searching for temporary fixes for periodic temp and humidity control. I moved my reservoir chiller into and out of my grow space too many times to control temps on cooler days. With this controller, I can plug in an oil radiator, set the heat temp, and never wonder if my temps are keeping up on cool days. My humidifier doesn’t over-run anymore either, keeping my water refills to 50%, and my rh on point at all times. I actually can’t believe I’ve grown without one. Next winter, my Meyer lemon tree will truly have its surrogate Florida climate. Local lemons are hard to find in MN.Read full review
Verified purchase: No
This little gem has been a life saver. The weather is all over the place and I need to control a heater and a.c. unit and co2 and make it all timed properly and work reliably. Now I can actually sleep knowing this thing is up and running. Temps and humid reading could be off a bit but you should set it based on where you need your readings to be using a few other thermometers in the room. Every reading will be slightly different based on location from lights and other equipment.
Verified purchase: No
If you want the most precise CO2 controller on the market, with true fuzzy logic then by this!
Verified purchase: Yes | Condition: New
This controller is among the best of the best. I highly recommend it.
Verified purchase: Yes | Condition: New