par

  1. C

    Appears to be algae?

    Hello i have a 40 gallon breeder tank with a 20 gallon sump approximatly 50 gallons total water volume, i use rodi water with tropic marin salt, at about .24-.25 salinity i do water changes about twice a month usually 10 gallons a water change i have a fleece roller, skimmer, return pump and a...
  2. TopShelfAquatics

    How Bright is YOUR Tank? Understanding Light Intensity in Reef Aquariums!

    In today's video we get with Taras and continue our series talking about lighting. Today we dive into brightness, specifically dealing with PAR and how it affects our aquariums. We cover both how light intensity is measured in the hobby and go over some tips and pointers when thinking about...
  3. Angelo Fatica

    Kessil AP700 vs ReefBreeders Photon v2

    Hello all. I recently bought a used AP700 fixture off of eBay and unfortunately the white LEDs do not work on one of the pucks. After this, I found another AP700 on eBay to try out and I am now questioning if it’s the right choice for my tank. My tank is 48lx20wx18h and is currently run by two...
  4. Scaggs1117

    Acans and GSP not opening up

    What’s up guys, so I had a bad algae bloom in the past that killed off a lot of coral, tank had been good. Just a lot of the red cyanobacteria on the sand and rock work that I have to blow off every couple of days . Par near the Acans is about 85-90. My Acans and GSP have not been open in a...
  5. CayoHueso

    PAR Values Feedback/Opinions

    Looking for feedback on my PAR values. I've got an IM Nuvo 20, with a single AI Prime 16HD mounted on the AI tank mount 10" above the water line. I'm using the BRS settings attached, adjusted to 30%. The values are on the higher end of the averages. The readings jumped around a lot due to...
  6. LeleganceCoral

    Par for Euphilla

    I have an octo spawn in around 75 par, i read at various websites to keep them in 100-150, will this be too low a light or will the octospawn be ok? Thanks for any answers!
  7. Hurricane Aquatics

    PARwise new feature coming summer 2024

    Original Facebook Announcement - https://www.facebook.com/share/p/Pz73xdWGHpG8PWC1/?mibextid=oFDknk Enter cPUR! THE new way to measure REEF aquarium lighting! ☀️ PAR is dead! ☠️ PAR doesn’t tell us if it works for the coral or not. You can have high PAR and it not be suitable for the coral...
  8. bitstream

    PAR level results for 2 x Kessil A80’s on a 20 gallon tank

    I recently started putting together a 20 gallon reef tank and wanted to find pleasing, affordable, reliable lighting without the disco ball effect. After considering a plethora of options, I decided the Kessil shimmer was simply too seductive, however the A360X was too pricey. It got me...
  9. G

    LED Par fall off

    1. When PAR starts to degrade from an LED fixture, is the problem the LED, PCB, Lens, or driver? 2. For you Radion users, How long have you had your lights before par starts to drop off?
  10. L

    New clam from Petco

    How’s this clam look I picked it up from Petco for 33 after the sale… I know it’s a derasa clam I did some research as Petco had it for a week before I got it and I waited till it went on sale so I know that they can do highlighting just seeing if anyone can recommend any advice that may be...
  11. F

    Par reading from MQ-200 apogee

    I am able to Barrow this par meter for free. How reliable are the reading? I am able to get the apogee mq-510 but it just a $25 dollar fee. Just wanted to see if it’s a huge difference or something.
  12. HomeSlizzice

    Reef lighting easy DLI calculator & findings

    Hi Everyone! TLDR: Enjoy this Reef lighting DLI made simple calculator I made to make choosing your lighting settings easier. Target DLI over SPS of 10.5 (7-12.5 range) DLI, and Target DLI over LPS of 5 (2-7 range) DLI. So I went down the PAR & DLI rabbit hole because I haven't been 100% happy...
  13. AquaForge

    Do I need more light?

    I have a PAR question: I am starting to add some coral to my tank. I have an apogee par meter that plugs into my laptop and reads out in umols which I guess is equivalent to par numbers people always refer to? Anyway. I have currently 1 Current USA 95W light above the tank. I have a spare one...
  14. Hurricane Aquatics

    Apogee MQ-510 Par Meter Like New with Apogee Wand

    I have a like brand new Apogee MQ-510 Par Meter for sale. I used this twice when I setup my new tank before adding livestock. It was immediately rinsed in RO/DI water (the sensor) and put back in the factory box. I will also include the wand with it that is an extra $69.99. - Like new Apogee...
  15. Joseph3

    Help Dialing in Lights and Par

    Hello! I finally got around to borrowing the local reef club's par meter and recorded the par values of my tank at different light power levels. My lights are currently set to 30% max (1 hour ramp-up, 9 hours max , 1 hour ramp down). But, I think I am going to slowly boost my lights up to 40 or...
  16. SomeHappyFish

    Which par map should I choose for a Mixed Reef ? Newbie here

    I rented a par meter for the day here's my result...I can't decided what is best for my reef. I whish to start with soft/lps then move on to sps down the road (aka December 2024) which par map should I choose ?
  17. poidog

    Apogee SQ-520 Full Spectrum Quantum PAR Meter , Wand & Case

    SQ-520 Full Spectrum Smart Quantum LED PAR Sensor - Apogee Sensor Wand for PAR Sensors - Apogee And a case that fits them all :) Used a handful of times, less than a dozen. Works great the Apogee App for your computer is way better than a handheld display. Broken down tank so no longer need my...
  18. Macsreefs

    20 gallon Par Meter Experience and Results!

    Hello fellow reef enthusiasts! The Journey to a Par Meter: I'm thrilled to share that I finally got my hands on a Par Meter! After struggling to find someone with a similar tank size, I decided to take the plunge. I ordered the "Vabira Par Meter" from Amazon for under $200, a steal compared to...
  19. legacy2mj

    Radion XR15 blue

    I was really excited to get this light for one of my new builds. Just a little Red Sea nano I’m putting together to use as a frag tank. … The Radion is kinda weak par wise. No wonder the schedule puts it straight to 100%. I have a par reader and I Maybe 5 inches below water surface it’s hitting...
  20. R

    MQ510 Par Meter for rent

    I bought a MQ510 par meter with wand during Black Friday. Only used couple times but would like to save it for next build. So I decided to rent it out to help those who needs it. I lives in Brooklyn but goes to Manhattan and Jersey City during the week. Charging $40/week with $500 refundable...
  21. F

    Par from egg crate

    How much par is blocked when using egg crate? I’m using egg crate now instead of Red Sea kit as it seems a pain to use. But worried my par levels are going to be low. Any advice?
  22. jbonez_

    PAR meter rental

    Does anyone in the Metro Detroit area know if any places within 30 minutes of Roseville rent PAR meters? Trying to avoid buying one since I just have to test my 20g NANO.
  23. ChefCab

    One last Outlet Available

    Scenario: I have one free outlet left in my system. My max Par at the highest point of my aquascape is 210. My tank consumes X amount of Calcium, alkalinity, magnesium, etc. And while .08 Phosphate and 20.3 Nitrate isn't terrible, every water change to reduce them resets Cal, Alk, etc.
  24. Erik the Red

    Adjusting light in gorgonian tank after PAR reading

    Hello! I’m seeking for some help regarding PAR values for gorgonians. I’ve been measuring the PAR in my tank with the Photone app and a diffuser. I have 2 AI PRIME set at maximum height on the rigid bracket and are using the Stuart Bertram schedule at 100% These are the PAR readings If...
  25. BleachedCoral

    Please help with fading Maxima Clam mantle

    Hello, I purchased Maxima Clam about 3 weeks ago, and noticed that it's mantle has become flaky and cracked, like asphalt that was heavily salted in the winter (It's more clear when you zoom in on the picture). It's receiving about 150 PAR and has low to moderate flow. Alkalinity is at 8.2...
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