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We have used the PAR meter for Neptune systems in our T5 and Metal halide tanks with great success and it works as well as any PAR meter currently available. For LED PAR readings will be slightly off depending on what color LED is turned on and will not give 100% accurate readings for growth. You will want to consider the Seneye as an alternative option which has better reading of LED light. Feel free to let us know if you have any further questions!
Great question! You will need an Apex Controller in order to use the PAR Monitoring Kit.
Continuous light-level monitoring for your aquarium
With the PAR Monitoring kit you can monitor and log your aquarium’s light levels 24 hours a day! The perfect tool to fine tune your lighting on your tank. Now you now can adjust your lights with the confidence of knowing you will not be giving too much or too little light to your corals and plants.
Prevent Burning Out Corals!
At certain parts of the specturm, the human eye cannot perceive light intensity changes once the light level exceeds a certain point. Too often this causes people to adjust their LED lights far past the ideal PAR level for their corals or plants. This usually results in burning, bleaching and/or death. With the PMK you can adjust your lights while monitoring exactly what light is affecting your corals and plants throughout the day. Also, not all corals are alike. Each type of coral has its own range of light intensity that makes it happy or not.
Rugged Sensor Hides Inside Real Reef Rock
Sensors and probes are great in our aquariums, we just don’t want to see them! That’s why we usually put them down below in the sump. Not possible here. Knowing this we had the guys at Real Reef Rock design a custom piece of rock to hide the sensor in your aquarium. Now you can monitor light 24/7 and never see the sensor!
Measures Actual PAR – The Light Corals and Plants Use
The Apex with the PMK measures actual PAR. PAR stands for Photosynthetically Active Radiation. This is the light from 400 to 700 nanometers that organisms are able to use for photosynthesis – this includes the zooxanthellae algae that lives inside your corals. Other measurements like LUX are not useful at all as they measure just the light visible to the human eye.
24/7 Light Monitoring!
Track your light levels over time. With the PMK you track and log PAR 24/7. Now you easily go back and look at how you had your lights running last week. Even better you can compare your light output across the day with others who use the PMK and then compare light schedules and LED settings.
No more guesswork!
If you control your lighting with the Apex, you are in for an added bonus. The lighting wizard in Apex Fusion shows you your previous days light level across the day superimposed with the light wizard graph. Up until now you had to pretty much wing it when it came to making adjustments. Now you can easily make lighting changes and see the effects of those changes in one simple interface! If you don’t have it already, this is one major reason to start controlling your lighting with the Apex. There are many Apex Ready light choices available. Some of the wireless lights like those from AquaIlluminations and EcoTech Marine even have their own Apex control modules (AWM and WXM).
Includes the newly released Advanced Sensors (ASM) Module!
More information will be released on this module in the future but in short this new module allows for hundreds of different types of future Neptune Systems and current 3rd-party sensors to be connected to your Apex and have their data logged.
ASM – Advanced Sensors Module
NPS – Neptune PAR Sensor
Real Reef Rock
6′ AquaBus Cable
Par monitoring kit By Kevin on 6/7/2016Kevin would recommend this product to a friendNeptune par kit is awesome it nice ti keep up with it in a sps tank
Great to tune lights By craig on 3/23/2016craig would recommend this product to a friendThose with reef tanks have probably spent a lot of time and money on selecting lights... this allows you to tune them for optimal coral health and map out tank to determine where corals will be happiest in the water column. If you have an APEX Controller, this is a nice upgrade. I found immediate benefit in the looks of the tank (I had lights on much too high)
Worth It!!! By XocyrusX on 2/8/2016XocyrusX would recommend this product to a friendI switched my tank around and suspended my light. No clue where to start if I didn't have this. Tested my old tank and matched my new one. Perfect! Moved corals over and will start ramping up till I see their sweet spot. Thanks BRS and Neptune!
No more guessing... By Matt K on 10/2/2015Matt K would recommend this product to a friendI had been loosing new corals rather quickly due to STN. I thought for certain I was 'shocking' them with my LED lighting. I was wrong about that!
It's expensive. So are corals. Now that I know the corals are receiving enough light, I can look at other factors should I have any issues.
My Corals Love it. By Daquan44 on 9/13/2015Daquan44 would recommend this product to a friendBefore installing this module, coral position and par were just a guess. Par meters were far to expensive for me to afford, but placing corals in my tank was hit or miss. When I saw this product I was happy there was an affordable option for me to measure par. More than just measure it, I could monitor it using my Apex. Immediately after installation I realized my Radions were dialed in too low. The PMK allowed me to adjust my Radions to meet the needs of the corals throughout the tank. At first I thought I was bleaching my corals because the tips were turning white on my sps. This was not the case. The corals began to grow at a rapid pace and the white tips are new growth. My a acroporas, montipora, and digitata have been doing extremely well since I began tracking par. My softies, esp the colt coral have always done well in the tank. This is a great Neptune product that every reefer should consider purchasing, and at this time there is no other product like it. There are cheaper par meters coming on the market lately, but none that allow you to monitor par 24/7, compare it electronically to your lighting schedule, graph it electronically, store it in a database, and control functions based on par like the Neptune PMK module.