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ReefKeeper Lite Plus - Digital Aquatics

ReefKeeper Lite Plus - Digital Aquatics
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  • ReefKeeper Lite Plus - Digital Aquatics
  • Setting up a Reefkeeper Plus Controller
  • How a ReefKeeper Can Save You Money
  • ReefKeeper Lite Plus - Digital Aquatics Included Parts
  • ReefKeeper Lite Plus - Digital Aquatics SL1 Box
  • ReefKeeper Lite Plus - Digital Aquatics Probes
  • ReefKeeper Lite Plus - Digital Aquatics Power Strip
  • ReefKeeper Lite Plus - Digital Aquatics Calibration Solution
  • ReefKeeper Lite Plus - Digital Aquatics Box

ReefKeeper Lite Plus - Digital Aquatics

87% Recommend this to a friend (85 of 98)

SKU: 205501
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Quick Overview

Digital Aquatics ReefKeeper Lite or RKL comes in 3 different levels. They are small expandable and perfect for nano tanks, beginners, and everyone looking for a mid level controller. ReefKeeper Lite's are easily the best value controllers on the market. See below for quick compare chart of the differences between each RKL.

    ReefKeeper Lite Plus Features

  • Head Unit

  • 2 PC4 power bars (8 total outlets)

  • Digital Aquatics Temperature probe

  • ReefKeeper SL1 pH and ORP Module(Inputs: pH, ORP, Temperature, and 2x Switch Ports)


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Previously Asked Questions

  • by Me on October 24, 2013, @3:12 PM

    Would this be good to run on a 20 gallon reef?

    Bulk Reef Supply Hey there,
    I actually have a controller running on my 16g here at the office. Despite the size of the tank, there is just some equipment you never can really get away from like heater, timers, etc which really makes a controller a great choice for just about any size aquarium and it would be a great choice for your tank.

    Do you find this question helpful?  Yes   No

  • by Aaron on May 11, 2014, @4:33 PM

    Do you know if reefkeeper will be able to control a diy Steve's led retrofit for a biocube? I have a typhoon controller on it right now.

    Bulk Reef Supply Hi Aaron,
    I am unfamiliar with that setup but so long as it has the ability to use a 0-10v input line to control the LED's themselves then you shouldn't have any problems with the reefkeeper, though keep in mind you need the ALC module.

    Do you find this question helpful?  Yes   No

  • by Dan on August 30, 2014, @1:22 AM

    I want use this for control of the power heads but is TUNZE the only brand that is compatible?

    Bulk Reef Supply Hi Dan,

    By using the APC module you will be able to connect Controllable Tunze pumps.
    I am not aware of any other pumps supported by this module but it is possible that there have been adapters released to control other DC power heads.
    I would also take a look at the ReefKeeper DCI DC Pump Interface. It may work for what you have in mind.

    I am sorry I couldn't be of more help.
    Have a great day :)

    Do you find this question helpful?  Yes   No

Full Details

ReefKeeper Lite Quick Start Guide

ReefKeeper Lite Application Guide

ReefKeeper Lite User Guide

The ReefKeeper Lite or RKL is an all new completely redesigned controller from Digital Aquatics. These midlevel controllers come in three different levels. Check our quick compare table below for the differences between each. Please note that some of the advanced modules and features of the ReefKeeper Elite are not available for the RKL.


Quick Compare - ReefKeeper

Head Unit Power Controller 4 System Lab 1 Programming Coupler Temperature Probe pH Probe System Interface Device Net Interface Module
Lite Basic x x   x x
Lite Plus x x (2) x x x x x  
Lite Net x x (2) x x x x x x
Elite Plus x x (2) x   x x (w/calib. packets) x  
Elite Net x x (2) x   x x (w/calib. packets) x x

Digital Aquatics ReefKeeper Lite (RKL) Features


  • Expandability: Every RKL can interface with up to 4 modules in almost any configuration.
  • Data reporting: The RKL can report the min, max and average over the last hour for all in and outputs.
  • Improved 5 button interface: All ReefKeeper Lite's have a 5 button interface. Traditional entry level controllers feature only 3 button interfaces.
  • 16 dedicated timers all with day of the week capability
  • Audible and visual feedback
  • 16 dedicated alarms
  • New control functions: Improved controller, multi-timer, light, lunar, and pump controls
  • Free software upgrades: ReefKeeper software upgrades from Digital Aquatics is free and easy to install via USB cord
  • MyReef software requires Windows Operating system
  • Independently programmable night mode allows moonlights and pumps to be adjusted in the evening times
  • Wavemaker: ReefKeeper Lite's have two wavemaker cycles that control separate pumps to simulate wave motion. Each cycle can be timed and the cycles can be turned off during night mode to give a calming effect.
  • Programmable standby feedback mode can be set from 1 to 59 minutes during which the ReefKeeper Lite shuts down selected powerheads and pumps. This allows for calm feeding condition and is useful for conducting maintenance.
  • Head unit easily mounts in a number of professional custom looking ways.
  • Splash proof face plate
  • Internal battery backup keeps time and settings of the ReefKeeper Lite safe for years. Power outages will not require the adjustments that other light timers need after power is restored.
  • Simple menu configuration has an simple interface that allows for easy setup and navigation.



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  • Like but with a few issues By Robert on 11/5/2014

    I think overall this is a great product. It's very easy to setup even though the instructions could be a little better. I had a problem with the SL1 and contacted the company VIA email since calling didn't work well. After 9 days I finally received a tracking number for my replacement SL-1. They were great helping me troubleshoot it but slow to ship the replacement. The cable from the TEMP probe is cheap and could be better made. Once I plugged in my SL-1 everything worked great but I'm still getting an I-Temp error and I'm waiting on a response from DA. Also, it was easy to figure out how to setup a heater but after playing with it I finally got it.
  • Not worth it!!! By Raymond on 10/22/2014

    I've had my ReefKeeper Lite Plus for a year now. I still can't get it to work properly. Some things go off and I can't turn them back on. The controls are not user friendly. I'll never by this again
  • good product for price By David on 10/13/2014

    The reefkeeper is a good controller for the money. Poor instructions from manufacturers. Thank you brs for making a video on this I would have been lost without it
  • Excellent Customer Service By logan on 9/15/2014

    This is my second review of this product. I have given it a better review this time around after dealing with their customer support. Their response to the issues I was having were quick and knowledgeable. After resolving for most of the issues they shipped out a replacement part for the final one at no cost. I would definitely recommend this company to fellow reefers!
  • wish I bought it sooner By mikee on 8/26/2014

    My main focus was for the temperature control as I had my heater, the best one I could buy, stick on only to find my tank went from 77 to 90 the next day when I got home from work...
    After hooking it up I was even more glad I bought it. It cleaned up all of my power strips, wave maker timer and other timers.
    Very happy I bought it !
  • Great Product Poor Instructions By logan on 8/13/2014

    The product works exactly as described. The only major issue is the complexity to get it, along with additional modules set up. The user experience of the myreef2.0 software is poor and it takes lots of youtube and forum searching to get a handle of.
  • great product By Bryan on 5/16/2014

    This is a great value for the price. Works flawlessly. Easy to install and configure.
  • very disapointed By ed on 4/24/2014

    I had problems out of the box and had to contact tech support for replacement components. Digital Aquatics Tech support did not answer the phone. They did not return calls. They did reply to one of the emails I sent. and they did send a replacement part (ground).

    It is not plug and play. It is plug and search the forums for answers. Most of the documentation of the web site is very old. The web site is very poorly organized.

    As for the MyReef 2.0 Software I found it worthless. I had trouble establishing communications, I had to turn off several times for the system to stabilize.

    I think another one of my components is jacked and that is why it is not working for me. But I have had enough.

    Poor quality control, terrible documentation lousy support;
  • Great product!!!! By Jabaar on 3/31/2014

    I've had the reefkeeper hooked up to my system for about a week now. I love it, I'm still learning the ends and outs, but so far its great. At a push of a button feedings are easy. I do wish it worked with my ATO and MP10's but it might the more I learn. I'll write more later when I fully understand the reefkeeper.
  • Good for the price, but Not Great By TotallyAddicted on 3/18/2014

    AWESOME to be able to run all my pumps and lights but the pH probe is off and i have calibrated it 4 times now in 1 month. It reads correct for about a week the drops off to about 7.5 (tank at 8.2) Absolutely TERRIBLE setup book! As far as Bulk Reef Supply, Shipping was speedy and there customer service was great. Tracking info was emailed to me about 2 hours after i placed my order.
  • very pleased By Stephen on 3/17/2014

    I decided to go with the RKL over expensive units and have been very pleased so far. Only complaint has been mentioned elsewhere--no Mac interface!
  • Should've bought this earlier By valerie on 3/8/2014

    We Purchases the RKL Plus. We are running our light, heater and auto top off system. I like that the system has the My Reef prgram, that lets you customize your system fairly easily. Had it up and running in no time. Once you get everything set up, it does take a minute or two to actually kick in and turn everything on and off on your first setup, but once thast done, things run smoothly. Love that I dont have to turn lights on and off all the time and add top off water so often. Everything is well made. The ph probe is included but does not come with instructions to calibrate it, but there is a great video on you tube that explains exactly how to do it.

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