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Old 06-22-2003, 12:10 AM   #1
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coral bleaching

can anyone explain this?i did get a new light 3 months ago2x250mh10,000k and 2 55watt pc actinics. i had on 1 96 watt smartlight and 2 twin striplights 30x4=120watt my specs are ca 420,ph 8.3,kh 12,temp 78,nitrate .10 my mushrooms are loving this light and there are on top of rock. i thought mushrooms did not like high light. this bleaching is spreading. only my rock is bleaching. even the feather dusters like it.
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Old 06-22-2003, 01:06 AM   #2
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Trout are you talking about the corraline algae?? If so I wouldnt worry about it. The increase in light is just allowing a different species of coraline to become dominate in the area. It should be restricted to just the top flats of the rock. As time goes by the deeper purple coraline will begin to acclimate and dominate once again


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Old 06-22-2003, 01:15 AM   #3
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yes, the white coralline. most of the rock is 10yrs old. should i put the ca at480 or leave it at 420-440? and let time once again take over. walt 8)
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Old 06-22-2003, 01:27 AM   #4
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Walt around 450 is a great level for calcium. It reall does not have alot to do with the cal, however. Species of the algae will dominate in different lighting. In lower lighting the deep purples will do well, in brighter a pinker version becomes dominant, in high lighting usually the green starts to dominate. Just give it some time, usually once the darker purple stuff gets acclimated to the bright lights it will come back.


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Old 06-22-2003, 10:40 PM   #5
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thanks, walt 8)
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75gal oceanic with 20 gal refugium, 750g.p.h.pump for HSA-250 skimmer, EHEIM-1250 PUMP FOR 200gph mincal. calcium reactor with 20lb co2 tank and co2 regulator with solenoid, 800G.P.H. overflow box pump and filter, aquaclearl 500 power filter for circulation and carbon use only,wave maker 900, 3x300g.p.h., pinpoint ph controller, delta star 1/3hp chiller.with 600g.p.h. pump, spectrapure automatic liquid level controller for the addition of ro.di.top off water, kent marine 4 stage delux maxxima 35g.p.d. hi-s, t.d.s. monitor, flush kit, 170lbs live rock, 5in sand bed, acropora's LG green,pink, and med purple, LG montipora encrusting purple, LG porities coral yellow, LG ruffled ridge coral, LG starburst coral green, green hairy mushrooms 100+, blue mushrooms, red mush, fluorescent green mush,green striped mush, bubble coral, LG finger leather and 2in baby, green ricordia mush, in refugium halimeda plant, caulerpa, and lot's of bug's. 1 purple tang, male and female percular clown's, 1 yellow wrasse
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Old 06-22-2003, 11:06 PM   #6
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wow, great info on the coraline..I never knew that is what affected the color.
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Old 06-24-2003, 06:19 PM   #7
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Yep Hare their are many types and of Corallinaceae. They can range from a depth of only a few feet to over 200 Meters. Not all growth type are controlled by lighting but in our cases alot are. They are also using collaine algae now in the medical feild as a possible cure for cancer.


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Old 06-27-2003, 11:06 PM   #8
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just a update on the bleaching rock, i,m starting to see hints of green and the white is mellowing out. what about the mushrooms being so high up? 8)
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Old 06-27-2003, 11:20 PM   #9
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IMO, if the shrooms are happy....leave them where there at.
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Old 06-27-2003, 11:41 PM   #10
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will do, i guess it's like they say if it an't broke don't fix it.
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75gal oceanic with 20 gal refugium, 750g.p.h.pump for HSA-250 skimmer, EHEIM-1250 PUMP FOR 200gph mincal. calcium reactor with 20lb co2 tank and co2 regulator with solenoid, 800G.P.H. overflow box pump and filter, aquaclearl 500 power filter for circulation and carbon use only,wave maker 900, 3x300g.p.h., pinpoint ph controller, delta star 1/3hp chiller.with 600g.p.h. pump, spectrapure automatic liquid level controller for the addition of ro.di.top off water, kent marine 4 stage delux maxxima 35g.p.d. hi-s, t.d.s. monitor, flush kit, 170lbs live rock, 5in sand bed, acropora's LG green,pink, and med purple, LG montipora encrusting purple, LG porities coral yellow, LG ruffled ridge coral, LG starburst coral green, green hairy mushrooms 100+, blue mushrooms, red mush, fluorescent green mush,green striped mush, bubble coral, LG finger leather and 2in baby, green ricordia mush, in refugium halimeda plant, caulerpa, and lot's of bug's. 1 purple tang, male and female percular clown's, 1 yellow wrasse
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