Announcement

Collapse
No announcement yet.

Photoperiod

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • Photoperiod

    Hi all,
    Anyone reducing their MH photoperiod? I'm experimenting with going from 10 to 7 hrs a day for my 250/10k's. Let me know if you've seen any changes if you've done this.-Thanks

  • #2
    What's your goal?

    SteveU
    “People are very open-minded about new things - as long as they're exactly like the old ones.”
    ...Charles F. Kettering

    Comment


    • #3
      I reduced mine about 2 months ago from 10 hours to 4 hours and I love it.

      Comment


      • #4
        What does reducing photoperiod actually do for the corals?
        Proud owner of an Elegance Coral "that lived". (It is thriving whith long tentacle tips...purchased in January 2005.) It has white tentacle tips, I beleive this has something to do with ones that will typically live due to the collection site.

        Comment


        • #5
          Originally posted by Adam
          What does reducing photoperiod actually do for the corals?
          It's an indirect thing. Makes the tank owner much happier due to the reduced power bill so that the love-hate relationship is pushed more towards the love side.


          SteveU
          “People are very open-minded about new things - as long as they're exactly like the old ones.”
          ...Charles F. Kettering

          Comment


          • #6
            I can't say for certain that it's doing anything but my corals look a little better. That could be do to a number of things (improved tank conditions, more flow, dialed in skimmer, etc). But, the growth rates definately haven't declined and I would say they might be growing faster (could be caused from what I mentioned above). The good news is, lower electricity costs, and less heat. it's very hot where I live and the tank is in a room with no AC. So the lights come on at night (9:00pm-1:00am) when it's cooling off and my temp stays at 79

            Comment


            • #7
              photoperiod

              Bob (aged salt) mentioned something about "photo inhibited" corals? I noticed by moving a couple of pieces lower in my tank the color improved. I've also tweaked a couple of things at the same time, so I'm not being very scientific about this .......

              Comment


              • #8
                I also went from 10 hours to 4 hours and think things look alot better then before
                Nick
                Nick
                180G SPS Mainly
                10 Bulb T5 Starfire
                Calcium Reactor
                3 Tunze 6105's
                Profilux Controller
                ATB Return w/ wavysea
                ATB M External Skimmer


                Comment


                • #9
                  Dear Madison and Nick~

                  Do you use actinic supplements?(VHO or T5) How about that?

                  Just Reducing MH photoperiod?

                  www.spsholic.com

                  Comment


                  • #10
                    I dont what i did was i had 3 400w 20k XM's i took 2 10k XM and put them on the sides and kept one 20k in the middle i run the 20k for 12 hours as the actinic and the 2 10k for 4 hours
                    Nick
                    Nick
                    180G SPS Mainly
                    10 Bulb T5 Starfire
                    Calcium Reactor
                    3 Tunze 6105's
                    Profilux Controller
                    ATB Return w/ wavysea
                    ATB M External Skimmer


                    Comment


                    • #11
                      Originally posted by OUinLA
                      I reduced mine about 2 months ago from 10 hours to 4 hours and I love it.
                      hey Madison,
                      is this on your 30gal ? IIRC you run a 250w over it right ?

                      thanks,
                      rich.

                      Comment

                      Working...
                      X