Will night light help to grow SPS

[minsmarine]

Hi all senior,

I am just wonder if I place say 4 to 12W PL ( 60K ) on at night , right after 250w photoperiods of 9hrs, good for SPS ?

Light sources is 4-12" to SPS.

Just trying today and seem that all SPS poly r sticking out.

Will it harm ? Or good ( me dreaming ? )

[lightningstrike]

u will not harm, neither it will make ur sps grow. for growth, best will be 6.5kk MH bulbs, higher PAR. follow by 10kk. but color wise for 6.5kk will be yellowish, thus unappealing to most.

[minsmarine]

I knew it that u would be the first person to reply Haa Haa

Can't sleep in JP ?

My MH is 250w 20K BLV, so blue thinking of changing it to 14K.

Looking at tank now 6.5k look cool to me, and it's only 4W.

Half of my 3' tank is covered.

[giantbicycle]

bro..get 1*250watt 14kK or best 6.5K and supplement it with 150watt 20KK..

but night light will not harm

[yus75]

Hi all senior,

I am just wonder if I place say 4 to 12W PL ( 60K ) on at night , right after 250w photoperiods of 9hrs, good for SPS ?

Light sources is 4-12" to SPS.

Just trying today and seem that all SPS poly r sticking out.

Will it harm ? Or good ( me dreaming ? )

bro like tat ur fish no need to "sleep" ah??

[Tanzy]

That's pretty bright for night lights.

[blueheaven]

Heard from RC that moonlight might trigger coral spawning in a full moon night, so romantic

[patrick123]

I thought fish and coral will benefit from the lights out period. If you on light all day and night, it will be like human without sleep.

[DeepBlue]

I am sure the sea that these fishes and corals come from has the day and night cycle. Since we advocate duplicating the actual environment the best we can....leave it be and let the lights go off at night. If you really need to see your corals at night...use those night lights will do.

Dun worry, your sps will still grow if condition provided is good....let them take theit time to grow.

[minsmarine]

Ok guys, I will switch off the light, u guys are right, this morning, all my fishs gone crazy.They must have not enough sleep.

[zorden]

so should we off the lights..

or let say use MH for 10 hours, then use actinic lights for the next 12 hours..

then maybe 2 hours LIGHTS OFF

[AlfaRomeo]

Your total lighting cycle should be around 12 hours more or less, the remainder 12 hours should be all lights off or max those 1W LED light. The fishes needs time to sleep and dream too...

[surfedelic]

I think with moonlight or night light you can see all your sps coral in actions.

I feed my coral in the night as I observed that the polyp open full blast in the night - never see before in the day......

I figure out the reason is that in the day time we blast our coral with lights thus they are already getting food in the form of lights but in the night there is no light or only moonlight .... thus they have sort of compensate by opening up the polyp to grab food from the water column ...

Any body care to shed a light ...

[Jimng]

Just want to share my thoughts on the night light, i always see tiny organisms swimming near to the dimly lit night light area of my tank -growing in numbers as it goes further into the night (guess they are doing some courting, mating process.... - i am thinking the flourescene corals will glow/reflect the blue light brighter when the dimly blue night light shines onto them and attracts these organism to their mouth for food. So it may actually be what it's like in the ocean, when fully fed, the corals may feel good and start to mate - expelling eggs and sperm....

Just some thoughts and experience....

[surfedelic]

Your xplanation sounds logical for the first part ... but for the mating part ... Ur hmm .... maybe we should have blue lights in our room for those trying to have kids (breaking away from the tradition of red light )

[Jimng]

I was always wondering why some films were associated with colors.... haha....

[minsmarine]

Your xplanation sounds logical for the first part ... but for the mating part ... Ur hmm .... maybe we should have blue lights in our room for those trying to have kids (breaking away from the tradition of red light )

U will surprise, when I turned on my 20K 250MH in my house for testing,

So romantic.

Remember ###### movies were called "blue picture"

[surfedelic]

with 20K 250 W - it is romantic ... but i dont want to end up glowing in the dark ....