**** R2R Par Database ****

Retro Reefer

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This thread is to host a Database of Par values on different tanks under different lighting, hopefully it will be useful for people to cross reference if they don’t have access to a Par Meter.

This will not be an exact science but should give people a good estimation of different lighting over different tanks.

Please do not use this thread for comments, let’s try to keep this a Database for Par data only, for more information, suggestions or information please go here..

https://www.reef2reef.com/threads/starting-a-par-database-please-read-and-share-your-numbers.538890/#post-5569165

suggested information that should be included in your post:
  • Type of meter you are using for measurements
  • Type of lighting.. be specific as possible and include things like manufacturer, age, length and type of bulbs for those t5 users, wattage and reflectors for the MH users.
  • LED users if possible include percentages used for different colors
  • Height of lighting over your water
  • Depth of water
  • Pumps or power heads running?
  • Any other factors that may contribute to readings such as room lighting, windows, tank in sunroom? etc.
  • A picture with measurements would be ideal but a list/description would be fine as well.
  • Provide as many collection points as possible such as bottom of tank left, right and center.. middle of tank left, right, center, front and back etc.
 
Last edited:
OP
Retro Reefer

Retro Reefer

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40 gallon Breeder with 36” aquatic-life t5 hybrid running a single coralbox moon led at approximately 35%.. lights approximately 11.5” over tank and water is approximately 14” deep, t5 bulbs are new and include 3 blue+ and 1 true actinic.. readings are averages with all pumps and wave makers running
Using a apogee 210 par meter.

Yellow = top of tank
White = middle of tank
Orange = bottom of tank

77F52DB9-984F-4090-B492-238A76DC3B03.jpeg


Lighting 8” over tank

645C69C1-E990-4B78-90E3-B7C1E9418ACD.jpeg
 
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AdamNC

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  • Tank size: SPS Dominant 40 gallon breeder 36"x18"x16"
  • Type of meter you are using for measurements: Neptune Apex PMK
  • Type of lighting: Maxspect RazorX RS-150 150watts 27"
  • LED users if possible include percentages used for different colors: Ch1 65%/Ch2 90%/Ch3 90%/Ch4 75% max intensity from 12:00 to 22:00.
  • Height of lighting over your water: Stock height on 6" legs
  • Depth of water: 16" depth to bottom of tank from tank rim
  • Pumps or power heads running? 2 MP40s run on a random program throughout the day using an Apex with a WXM, max speed of 55%

40g par.jpg


40g top down par.jpg



  • Tank size: LPS/Softie 29 Gallon Standard 30"x12"x18"
  • Type of meter you are using for measurements: Neptune Apex PMK
  • Type of lighting: Maxspect R420R 16k 160watt 27"
  • LED users if possible include percentages used for different colors: Ch1 55%/Ch2 100% max intensity from 12:00 to 22:00.
  • Height of lighting over your water: Stock height on 8" legs
  • Depth of water: 18" depth to bottom of tank from tank rim
  • Pumps or power heads running? 2 Jebao WP-10s and 1 Tunze 6040, Jebaos run on Else Mode and the Tunze run on sequenced hi/lo

29g par.jpg


***Disclosure about tank conditions: Both tanks are still recovering from a 90% crash/loss due to Hurricane Michael.
 

Daniel 123

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  • Tank size: 150 gallon, 48"x24"x30"
  • Type of meter you are using for measurements: Apogee SQ420
  • Type of lighting: 4 bulb T5 fixture - qty 2 10k, qty 2 actinic(approx. 5 months old), Reef Brite 48" tech fixture white blue led sits at front of tank
  • Height of lighting over your water: 3.5"
  • Depth of water: 30" depth to bottom of tank from tank rim
  • Pumps or power heads running? 2 tunze 6105 sides, 1 mp40 rear wall
Approx 2" beneath T5 fixture a reading of 580PAR. Approx 2" beneath reef brite LED fixture reading of 270PAR.

The top 210PAR measurement is approx. 12" deep from light fixtures


 

dantimdad

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OK, my pictures stink so I will just let you know what the numbers are at depth.

The light is a DIY that I am about to change out to a different DIY setup.

I designed some arrays that are going to be produced by Blue Acro. Two are on there way to me right now for testing.

The current light is 9" above a tank that has 10" of water in it above the sand bed.

On the bed:

117 110 111
122 120
110 110 107

Seems the left side is weaker and that makes sense because there is one less 420nm on that side.
The center is a small rock structure

On the top of the rock structure about 4" under the water I am getting 210

Just under the water

250 255 245
255 271 251
248 269 239

These are averaged after 4 measurements.

There is a lot of surface rippling going on.

I will do a better job with the next fixture of measuring and will have my buddy who owns a photography company take pics.

I was expecting better numbers on the bed to be honest but, for a $35 diy fixture covering an 18x18 area, I can't complain.
 

IslandLifeReef

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Just used a MQ 510 to take PAR readings around the tank. The different colored text in the picture doesn't mean anything, just trying to make it easier to see.

These measurements were taken with all pumps and powerbeads on. The tank is a Reefer 170. The lights are an AquaticLife Hybrid with a Hydra 26 HD running the BRS AB+ spectrum. The lights are hung 11.5 inches above the water line. The T5 bulbs I am using are, from front to back, ATI Blue+, Coral+, Actinic, Blue+.

Here are the results.

IMG_1840_edited-1.jpg
 
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Ditto

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  • Type of meter you are using for measurements:
    Apogee MQ 510
  • Type of lighting.. be specific as possible and include things like manufacturer, age, length and type of bulbs for those t5 users, wattage and reflectors for the MH users.
    GHL Mitras Light Bar V2. (3 In Total, 2 Deep Actinic, 1 Actinic)
    Each Light size is 62-63" in Length Runs almost the entire length of the tank

  • LED users if possible include percentages used for different colors
    Overall Lighting Schedule (Lighting is set to 80% Power on all channels)
    overall Lighting.png

    Peak Lighting Spectrum
    20K Lighting.png

    After Peak Lighting Spectrum
    24K Lighting.png


  • Height of lighting over your water
    4" off the Water

  • Depth of water
    18" (Tank Size if 72" Long x 18" Wide x 18" High)

  • Pumps or power heads running?
    2 Tunze Turbelle NanoStream 6095 (Controlled by GHL Profilux 4 Controller)
    2 Vivid Creative Aquatics Random Flow Generators 3/4" on Returns @ 800GPH
  • Any other factors that may contribute to readings such as room lighting, windows, tank in sunroom?
    Tank is in the Dining Room and faces Three windows, no direct sunlight hit the tank.
  • A picture with measurements would be ideal but a list/description would be fine as well.
    Par_tank_before raising 1a.jpg
When I raise them off the Tank and attached them to the hood will take a new set of measurements.
 
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mshonk

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* Type of meter you are using for measurements:
Seneye Reef

* Type of lighting:
Bloomspect 165w LED blackbox
100% white
100% blue

* Height of lighting over your water:
11.5"

* Depth of water:
15"

* Pumps or power heads running?:
Yes

* Any other factors that may contribute to readings such as room lighting, windows, tank in sunroom? etc.:
None

NOTE:
-Top measurements are .5-1" under water
-Middle is approximately 7" under water

Measurements are not on the tank shot but gives an idea of the lighting.
Screenshot_2019-02-20-07-13-00~2.jpeg
20190210_154007.jpeg
 

kiddbid

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I was curious about the PAR values in my RSM C-250 with the Kessil AP700. I used the Apogee SQ-520. I roughly gridded out the tank using painters tape and a ruler.


Measurements:
Depth below water at 1, 6, 12 and 18 (sandbed) inches.
Width from back at 3, 6, 9, 12 and 15 inches.
Length from left at 6, 12, 18, 24 and 30 inches.

The AP700 is mounted about 7.5 inches above the water. The two light pucks extend about 6 inches into the tank's width and sit at 12 and 24 inches from the left. I chose the 5th light preset on the Kessil app and bumped the intensity to 100%. Light diffusers were removed and pumps were turned off for all measurements.
Each of the charts represent measurements taken at a different depth. As an example, box (L12,W6) would represent the spot direct below the left puck.


Empty boxes are areas where rock or coral are. Some of the measurement spots are areas that are likely shaded by coral so the numbers do seem to jump around.

I didn't bother recording measurements at the sides because numbers had such a range to not be useful and I consider the area to be mostly unused. However, the PAR peaked at about 150 on either side at about 12 inches deep and 9 inches from back so will likely place frag racks there.

I placed major diffusers on the lights and took some measurements at depth 6 inches. These measurements seemed to be about 25% lower. Out of curiosity, I measured point ( L24,W12) at depth 6 inches with the pumps on. The PAR fluctuated between 170 and 270.

I have to say that the measurements surprised me as I thought the readings would have been higher and I was being super cautious. I actually had this light with diffusers running at 60% and 9 inches above water before I started taking measurements. I think I'll bring it up to 80% and see how it goes.
 
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NY_Caveman

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Love this thread. I had some rough numbers, but I finally confirmed them today.
  • Seneye
  • SB Reef Lights SBox Extreme 16" WiFi. 165 Watt LED, 6 months old
  • Blues 50%, White 24%, Moon 70% at midday peak
  • Height is 7.5” from lenses to waterline
  • Waterline to Starboard is 17”
  • All pumps off for readings
  • Image measurement notations are not to exact scale
FB16E2B0-C6AA-4105-A84D-D90DC25845B0.jpeg


FWIW, back in September I ran at half these levels. Here are those numbers
(The red and green were a reference to earlier, lower intensity numbers when I first started using the light)
A8635534-7198-455D-92AD-091D8E9CB021.jpeg


At that time I tried to create a spreadsheet formula to estimate PAR based on reading the center level only. I came up with this
C5E21F18-70A9-4E1F-8EEE-E39B8F1D8B87.jpeg


Turns out it was fairly accurate under the lamp, but less linear outside on the edges. This image shows my estimate before I confirmed in the first image above

AC3596DB-31EF-4BB4-B26D-F3762DA1C8F0.jpeg


Light Schedule
(Blue, White, Moon (3x420nm), unused)
LED2.jpg


 
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Ditto

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  • Type of meter you are using for measurements:
    Apogee MQ 510
  • Type of lighting.. be specific as possible and include things like manufacturer, age, length and type of bulbs for those t5 users, wattage and reflectors for the MH users.
    3 #GHL Mitras LX7206
    2 Deep Actinic Light Bars
  • LED users if possible include percentages used for different colors
    Overall Lighting Schedule (Lighting is set to acclimation mode 75% power at this time
    Vinny - Light Schedule.png


    20K Spectrum
    20K spectrum.png


    18K Spectrum
    18K spectrum.png


    17K Spectrum
    17K Spectrum.png


    15K Spectrum (Only used at peak times 2 hours)
    15K spectrum.png
  • Height of lighting over your water
    Lx7206 - 6" of the Water
    Deep Actinic Light Bars - 9" of the Water


  • Depth of water
    18" (Tank Size if 72" Long x 18" Wide x 18" High)

  • Pumps or power heads running?
    2 Tunze Turbelle NanoStream 6095 (Controlled by GHL Profilux 4 Controller)
    2 Vivid Creative Aquatics Random Flow Generators 3/4" on Returns @ 800GPH
  • Any other factors that may contribute to readings such as room lighting, windows, tank in sunroom?
    Tank is in the Dining Room and faces Three windows, no direct sunlight hit the tank.
  • A picture with measurements would be ideal but a list/description would be fine as well.

    LX7206 PAr now instyalled.jpg
This is an update to the post above where I was only using the Mitras LightBar 2 :)
 
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