SKU: 48561168719

Neptune Systems Apex- PAR Monitoring Kit (ASM module and Real Reef Rock) – PMK

Sale price$261.00 Regular price$290.00
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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13

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Description

Neptune Systems Apex- PAR Monitoring Kit (ASM module and Real Reef Rock) – PMKPAR Monitoring Kit (ASM module and Real Reef Rock) PMK Features and Benefits: Performs continuous light level monitoring for your aquarium Measures actual PAR the light corals and plants use Prevents burning out corals Includes ASM the new Advanced Sensors Module PAR sensor hides nicely in aquarium inside Real Reef Rock Fine tune your lighting to your aquariumss needs Continuous light level monitoring for your aquarium With the PAR Monitoring kit you

PAR Monitoring Kit (ASM module and Real Reef Rock) – PMK

Features and Benefits:

Performs continuous light-level monitoring for your aquarium
Measures actual PAR – the light corals and plants use
Prevents burning out corals
Includes ASM – the new Advanced Sensors Module
PAR sensor hides nicely in aquarium inside Real Reef Rock
Fine tune your lighting to your aquariums’s needs

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.


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.

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!

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.


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 connect to your Apex and have their data logged.

Kit Includes:
ASM – Advanced Sensors Module
NPS – Neptune PAR Sensor
Real Reef Rock
6′ AquaBus Cable

Requires
Apex, Apex Lite, or Apex Jr.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48561168719

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thomas
Charlottesville, US
★★★★★ 5
Perfect protection for daily use
Size: 6.76 Fl Oz (Pack of 1), Style: Lotion (SPF 50)
This is my go-to sunscreen for my daily use. I have stuck to a strict skin care routine and at the end, it’s extremely important to have a sunscreen to seal the deal. And this does just that. It doesn’t leave that nasty white streaks from the sunscreen and goes on very nicely. Out of my months of using this I have never been uncomfortable with it and the smell is very refreshing unlike other brands of sunscreen. Most importantly, this doesn’t feel greasy or overly slick. Perfect balance.
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Reviewed in the United States on May 20, 2026
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Kelli
Pawtucket, US
★★★★★ 5
Great
Size: 6.76 Fl Oz (Pack of 1), Style: Lotion (SPF 50)
While it is a bit thick, that can be great for sweaty summer activities (also it's purpose)! It does not leave a white cast (on me, though I am pale, I have experienced this with other sunscreens) and smells okay, not great but like a sunscreen would be expected to. It's not a super strong scent and does not burn my eyes. Sits good under my makeup as well.
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Reviewed in the United States on May 4, 2026
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Zuppr
Phoenix, US
★★★★★ 5
Great protection and not greasy.
Size: 6.76 Fl Oz (Pack of 1), Style: Lotion (SPF 50)
This sunscreen is great. It is not greasy and protects for a long time. I have had a few battles with skin cancer, but feel confident that this stuff will protect me. Yesterday was hot and sunny and my skin was still protected after 4 hours on the golf course.
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Reviewed in the United States on May 20, 2026
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Lacy
Bozeman, US
★★★★★ 5
Go-To for Reef-Safe & Light-Weight Sunscreen
Style: SPF 50 Roll On, Size: 3 Fl Oz (Pack of 1)
Favorite sunblock to travel with. Appreciate the simplicity of it, and the fact that it rolls on and rubs in smooth. Of course the iconic scent is also a plus.
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Reviewed in the United States on May 18, 2026
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Jenny J
Pawtucket, US
★★★★★ 5
Great choice
Style: SPF 50 Roll On, Size: 3 Fl Oz (Pack of 1)
After I suffered a second-degree burn from steam, I was told by my doctor that I would have to keep my new fresh skin sun-blocked for up to a year to avoid any scarring or hyper pigmentation. This has been a great selection as it is a roll-on, Which helps a lot with preventing messes that can happen with traditional sunblock bottles. I also like that it is easy to travel with, and the fact that it is zinc based.
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Reviewed in the United States on August 26, 2025

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