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Hamilton 24-Hour Grounded Digital Timer View 1
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Hamilton 24-Hour Grounded Digital Timer

SKU: 207587


  • No problems after six months By Marc on 12/16/2014

    Been using two of these for about 6 months for controlling calcium and alkalinity dosing. These units are easy to set up and use, and the one minute increments are just the thing for controlling dosing pumps.
  • Great timer By Brent on 8/16/2014

    While at first I was daunted by all the buttons on this timer, I found it very simple to program. I am using this timer for a dosing pump and it works perfectly. It has an internal backup battery that is charged by line voltage, so you should not have to worry about power loss affecting the clock or programs you have set.
  • Works Great By Tim Gonzales on 8/11/2014

    I like knowing exactly when the lights are going to come on and when they are going to shut off. These timers do just that. Plus there is a lot of flexibility in the programming. Monday through Friday I have them trip my lights at 4 pm and go off at 10 pm. This is so I can enjoy my tank when I get home from work. Saturday and Sunday are programmed to come on at 1 pm and shut off at 9 pm. This allows me the most time to enjoy my tank on the weekends. I like the flexibility and the reliability of these timers.
  • Good Timer By Reefer Mike on 2/26/2014

    I got these at my local fish store. I paid $10 more for them there than here. Rats! Anyway, I have had them in use for 3 years now on my 90 gallon reef and they work great. They trip both lights at the same time so I have them plugged into my two 250 watt metal halide pendants so they go on/off at the same time. I like that you can program them up to the exact minute you want them to go off. Easy to use and reliable.

  • Broke in 3 months By QN5Reef on 8/22/2013

    Bought mine brand new and broke in 3 months.
    I was using it to dose ALK. Nothing special.
  • Great! By Will on 2/24/2013

    I didn't actually buy these from BRS because I got them when i bought a guy's system but they are amazing.

    Use these with the BRS dosing pumps and you are set!

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