strong or weak ligh

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strong or weak ligh

Postby redadeath » Thu Jun 14, 2012 7:26 am

i have 400 watt *2
over sps tank

the sps is only 20 cm from the surface and the lamps is only 25 cm

they are wild acropora
is that too much ligh that can make coral turn brown

i also didnt acclimate when i changed from 250 watt to 400 watt
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Re: strong or weak ligh

Postby thurrmac » Thu Jun 14, 2012 8:30 am

redadeath wrote:i have 400 watt *2
over sps tank

the sps is only 20 cm from the surface and the lamps is only 25 cm

they are wild acropora
is that too much ligh that can make coral turn brown

i also didnt acclimate when i changed from 250 watt to 400 watt

metal halide???
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Re: strong or weak ligh

Postby redadeath » Thu Jun 14, 2012 11:11 am

Yes radium
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Re: strong or weak ligh

Postby thurrmac » Thu Jun 14, 2012 11:47 am

ill be more concern on temperature than light because acroporas
require high intensity light in the first place...
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Re: strong or weak ligh

Postby wolfpak » Thu Jun 14, 2012 5:48 pm

if it turned brown, check your water temp and parameters. my best bet would be, high phosphate or nitrate
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Re: strong or weak ligh

Postby yoki » Thu Jun 14, 2012 6:22 pm

redadeath wrote:i have 400 watt *2
over sps tank

the sps is only 20 cm from the surface and the lamps is only 25 cm

they are wild acropora
is that too much ligh that can make coral turn brown

i also didnt acclimate when i changed from 250 watt to 400 watt

Still having problems with your sps bro
200 gal
Ai sol blue
nbw 200 skimmer
Biopellet
phos reactor,rowaphos media
denitrator diy
Mp40esw
diy vodka, gkucose, cal, mag, stront, alk,k+, iron, iodine
hailea chiller
32hf return pump
LS sps and lps
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Re: strong or weak ligh

Postby redadeath » Thu Jun 14, 2012 8:03 pm

yes friends
my po4 is not detectable on salifret
also i have teco chiller my temp is set to 26 c

i run refugee with chaeto and turf scrubber

calcium
and magnesium and kh is stable
dosing 2 part randies

wild corals all people are talking about its browning

i read a thread in the internet it says that strong light makes coral brown and this what farmers do for making it grow quickly then they set it down to proper depth to make it color back

i think i have no more chance with wild acropora
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Re: strong or weak ligh

Postby redadeath » Thu Jun 14, 2012 8:06 pm

if it turned brown, check your water temp and parameters. my best bet would be, high phosphate or nitrate


i guess if i have high nutrients there will be no growth

i do have good growth and encrusting at the base and the tips
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Re: strong or weak ligh

Postby redadeath » Sat Jun 16, 2012 7:59 am

do u think better to run LED light?
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Re: strong or weak ligh

Postby christian » Sat Jun 16, 2012 11:05 am

browning of wild caught corals in my experience are caused by: high phosphates and lack of flow...

all my sps comes from the wild. i experienced browning as well before and found out that high phosphates and lack of flow caused it. but also found out that when the problems are solved, brown sps corals will turn into beauties again. also experience getting brown sps from the wild and most of the time hidden gems comes from wild brown sps.

you can also monitor your ph, also found out that sps will be so much colorful when your ph is stable. no big fluctuation of ph is good.

also monitor your alk, most of the time alk is the culprit of stn or rtn.

back to your question, too much light in sps will just caused rtn and eventually bleached sps corals.

in focusing on your phosphates, it is understood that your nitrates are Zero... it is given that a tank should have a zero nitrates before it can flourish to have colorful sps.

hth
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Re: strong or weak ligh

Postby yoki » Sat Jun 16, 2012 12:20 pm

Only had browning issue during the first few months of intruduction of wild sps and when i transfered to my new home, i guess the big culprit is when they are stressed. But they will slowly recover if you correct the problem.
200 gal
Ai sol blue
nbw 200 skimmer
Biopellet
phos reactor,rowaphos media
denitrator diy
Mp40esw
diy vodka, gkucose, cal, mag, stront, alk,k+, iron, iodine
hailea chiller
32hf return pump
LS sps and lps
yoki
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Posts: 889
Joined: Sun Jan 30, 2011 12:22 pm

Re: strong or weak ligh

Postby redadeath » Sat Jun 16, 2012 12:30 pm

browning of wild caught corals in my experience are caused by: high phosphates and lack of flow...

all my sps comes from the wild. i experienced browning as well before and found out that high phosphates and lack of flow caused it. but also found out that when the problems are solved, brown sps corals will turn into beauties again. also experience getting brown sps from the wild and most of the time hidden gems comes from wild brown sps.

you can also monitor your ph, also found out that sps will be so much colorful when your ph is stable. no big fluctuation of ph is good.

also monitor your alk, most of the time alk is the culprit of stn or rtn.

back to your question, too much light in sps will just caused rtn and eventually bleached sps corals.

in focusing on your phosphates, it is understood that your nitrates are Zero... it is given that a tank should have a zero nitrates before it can flourish to have colorful sps.

thanx god you gave me hope

most people on reefcenteral do have zero experince in wild corals

do u suggest that i get more accurate test kit than sera test kit
as it gives 100 mg 50 mg 20 mg 10 mg 0mg

so what reading i should have for nitrates so to be sure colour should restore?

is salifret good test kit ?
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Re: strong or weak ligh

Postby redadeath » Sat Jun 16, 2012 12:35 pm

Only had browning issue during the first few months of intruduction of wild sps and when i transfered to my new home, i guess the big culprit is when they are stressed. But they will slowly recover if you correct the problem.


yes friend i still have browning issue even after i upgraded my ligh from 250 w to 400w

aslo i didnt make light acclimation when i upgraded

browning make me very sad

do u think make my refugee bigger will solve the problem

i feedfish daily i will feed them only twice perweek

also do u thing algae turf scrubber may increase browning in coral ?
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Re: strong or weak ligh

Postby redadeath » Sat Jun 16, 2012 12:39 pm

in focusing on your phosphates, it is understood that your nitrates are Zero... it is given that a tank should have a zero nitrates before it can flourish to have colorful sps.


do po4 or no3 make zooxthansella grow more dense chris?

i hope you guys help me as in my region there is no aquacultured corals at all
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Re: strong or weak ligh

Postby redadeath » Sat Jun 16, 2012 12:41 pm

hidden gems comes from wild brown sps.


sorry what do u mean by hidden gems ?
or u mean hidden germs ?
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