An informal poll : length of photoperiod.

[Anonymous]

How long is your photoperiod? Tank size and amount of lighting would be helpful, as well. Thanks for any responses.

Peace,

Chip

 

[MarkO1]

75g,
13.5 HRS PC'S (2x96w)
12.0 HRS MH'S (2x175w)
_________________
Honda CT50 Motra

 

[Ben1]

75 gal
13.5 hours 330 watt VHO actinics
12 hours 2x400 watt MH

 

[ZigZagZombie]

70gallon....4-55watt PC's 12.5 hours 175-MH..8 hours

 

[Mac1]

90 Gal.
12.5 Hours VHO Actinic (2x110Watt)
9:30 AM - 10:00PM
12 Hours MH (2x250 Watt Iwasaki)
9:00AM - 9:00PM

- Mac

 

[Sue Truett]

My 180g. sps/clam tank: 3 250w 65k iwasaki's, 2 160w vho 03 actinics. 7am-9pm actinics, 8:30am-7:30pm MH's.

My 120g. sps/clam tank: 2 400w 65k iwasaki's, 2 96w pc. actinics, same as above.

My 29g. prop. tank plumbed to the 120. 1 250w 65k iwasaki 8:30am-7:30pm.

my 180 ecosystem sps tank:
http://berlinmethod.com/suet/ NEW PICS!!
my 120 ecosystem sps tank:
http://suetruett.homestead.com/home.html
www.marshreef.org/members

 

[GMH320]

46 gal
96 watt PC, 12 hours
110 watt PC, 10 hours

 

[delphinus]

20g ... 1x175W halide 10 hours
50g ... 2x175W halide 12 hours
75g ... (planned ... will replace 50g eventually) 2x250W halide 6-8 hours (undecided), 2x110W VHO 12 hours

 

[Anonymous]

12 hours it aint rocket science just duplicate the sun.

 

[BitOrder]

11hrs (VHO 160Wx2)
10Hrs (MH 10K 400W X3)

tank 155 Bowfront

 

[esmithiii]

180G tank, 2x400W 6500K MH, 2x96W PC Actinic

10 hours/day

On at 11:00AM off at 9:00PM

 

[HARRISON]

80 gallon tank 30 gallon refugium

2-55 watt PC's from 10am till 11 pm
250watt halides from 1pm till 10pm
refugium reverse cycle (now)oposite of main lights. 65 watt LOA

 

[Rich-n-poor]

37 gallon

2x55 watt pcs 1 white 1 blue

both on when my kids get up about 7-8 am
shut off white 55 watt when i get home 10 pm
shut off blue when i go to bed 2-3 am

both bulbs 110 watts 14 hrs
blue 55 watt 18 hours

flame away

_________________
Mediterranean Forum

 

[danmhippo]

My tank photoperiod = My office hours:
8:30a to 8:30p M-F
150G w/2x400W 20000K

Sump:
70G, 4x96W PC, 24hours.

 

[KanUCme]

10hrs, 125gallon

 

[AuroraDave]

135gal
VHO 12 hours 1:30pm to 1:30 am
MH 3x250 11 hours 2pm to 1am

Refug (40gal)
12 hours

Refrig
I think the light goes out when I shut the door?