+ Reply to Thread
Page 3 of 11 FirstFirst 1234567891011 LastLast
Results 21 to 30 of 107

Thread: New sizing guidelines

  1. #21
    kerry's Avatar
    Join Date
    May 2011
    Location
    USA
    Posts
    1,406

    Re: New sizing guidelines

    So the sq" is not counting both sides!!!
    150G. Reef/Mix
    125G. 3 Regular Oscars/1 Jack Dempsey
    75G. 20+ Africans
    40G. Fish/Reef. Algae Scrubbers on ALL my SW
    10G. SW Fish/Reef.
    10G. SW Hospital/new fish quarantine/pod breeder tank
    6 stage RO/DI system 200 GPD.

  2. #22
    Banned
    Join Date
    Aug 2010
    Location
    USA
    Posts
    2,710

    Re: New sizing guidelines

    That's been a point of contention. We always say 1 square inch referring to the dimensions, not the area. Thus a 10 x 16 screen is 160 sq in and would need 160 watts of total light. It's less confusing than saying 320 sq in of total surface area lit by 0.5 w/sq on each side. 1W per square inch dimensional area split between each side of the screen. If it's one sided then it's technically 0.5w/sq. in. but double the dimensional area so same amount light on the same amount of surface area as a double sided screen.

  3. #23
    kerry's Avatar
    Join Date
    May 2011
    Location
    USA
    Posts
    1,406

    Re: New sizing guidelines

    OK, that would explain why I stopped burning algae when I cut my lighting in half LOL!!
    150G. Reef/Mix
    125G. 3 Regular Oscars/1 Jack Dempsey
    75G. 20+ Africans
    40G. Fish/Reef. Algae Scrubbers on ALL my SW
    10G. SW Fish/Reef.
    10G. SW Hospital/new fish quarantine/pod breeder tank
    6 stage RO/DI system 200 GPD.

  4. #24

    Join Date
    Sep 2010
    Posts
    276

    Re: New sizing guidelines

    my screen is now 6"x12" so 72 square inches and I have 46 watts per side. So my light is still a little low? Maybe I will try larger bulbs. Where can I get 150watt equivalent bulbs cheap?

  5. #25
    Banned
    Join Date
    Aug 2010
    Location
    USA
    Posts
    2,710

    Re: New sizing guidelines

    you're over 1W / sq in so that's good. You don't care about equivalent wattage, only actual. I don't know if you could go too much larger without spending a lot.

  6. #26
    kerry's Avatar
    Join Date
    May 2011
    Location
    USA
    Posts
    1,406

    Re: New sizing guidelines

    you have 92 watts which is more then the 72 inches you have. I think you have plenty of light. Am I missing something???
    150G. Reef/Mix
    125G. 3 Regular Oscars/1 Jack Dempsey
    75G. 20+ Africans
    40G. Fish/Reef. Algae Scrubbers on ALL my SW
    10G. SW Fish/Reef.
    10G. SW Hospital/new fish quarantine/pod breeder tank
    6 stage RO/DI system 200 GPD.

  7. #27
    kerry's Avatar
    Join Date
    May 2011
    Location
    USA
    Posts
    1,406

    Re: New sizing guidelines

    OK, so Floyd got his in a few seconds before mine LOL!! So I am still thinking the light thing right.
    150G. Reef/Mix
    125G. 3 Regular Oscars/1 Jack Dempsey
    75G. 20+ Africans
    40G. Fish/Reef. Algae Scrubbers on ALL my SW
    10G. SW Fish/Reef.
    10G. SW Hospital/new fish quarantine/pod breeder tank
    6 stage RO/DI system 200 GPD.

  8. #28
    kerry's Avatar
    Join Date
    May 2011
    Location
    USA
    Posts
    1,406

    Re: New sizing guidelines

    Walmart had some 55Watt CFL's for under $9.00.
    150G. Reef/Mix
    125G. 3 Regular Oscars/1 Jack Dempsey
    75G. 20+ Africans
    40G. Fish/Reef. Algae Scrubbers on ALL my SW
    10G. SW Fish/Reef.
    10G. SW Hospital/new fish quarantine/pod breeder tank
    6 stage RO/DI system 200 GPD.

  9. #29
    Super Moderator
    Join Date
    Oct 2008
    Location
    Santa Monica, CA, USA
    Posts
    9,715

    Re: New sizing guidelines

    1 watt per square inch is a minimum; 2 watts is the high-wattage, low-hours, long-lifetime technique

  10. #30

    Join Date
    Jun 2011
    Location
    uk
    Posts
    30

    Re: New sizing guidelines

    right i have never been good with maths at all ops: , so the way i have my scrubber now is waterfall type 1 sided light is 30w cfl bulb large screen , but with this new size guide what size do i need now? . i feed 2 cubes of frozen a day and around 3" long x 1" wide peace of nori a day . this will stay the same in the future also .
    would like to cut the lighting times down also .
    thanks in advance .
    i would also like to go diy led on the new screen also , so how many leds and total led wattage ?

+ Reply to Thread

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts