QuoteReplyTopic: coral bleaching Posted: August 16 2015 at 10:10pm
I have an rsm 130 with a lot of various lps and 1 or 2 sps. It has been running for close to a year now and all of a sudden everything is bleaching...from the pc's...wth? I have had many tanks in my life with led's and pc's and have never had a problem with coral bleaching from pc's. Has anybody else? These ones are only 36w bulbs. Very frustrated. I have just been leaving my blue stunners on to try and save them any help?? Thanks in advance.
Did you just change bulbs and they started bleaching? How's your alk? I know when I had a few things bleach my alk had gotten out of whack!
Good call Jackie I was thinking the same thing what is your Alk at ?
I currently have a 24 gallon JBJ all in one tank has two powerheads a phosphate reactor with the small bubble skimmer it is also powered by 2 X165 W LEDs and as a mixed reef
If Phosphate and nitrate are truly at zero, which is debatable depending on what kit was used and the error margin of even the best kits, your Coral's could be starving. What are you using to control Nitrate and phosphate? Too much GFO will definitely bleach coral.
I use prime with a water change biweekly. I use coral exponential and a little marine snow for feeding. I use seagel in my filter chamber and not too much. what else am I looking at? Used this same setup for 10 years and never had a lick of problems. Is it the bulbs??
Random, but do you use the same size bottle of Prime each time? I use it and the smaller bottle is twice the dose as the slight bigger bottle. Probably not it, but just food for thought.
RedSea Max S400 - 90G Rimless Frag Tanks x2 - 185 Lookdown Bin
If your bulbs are a year old I'd replace them. Like I said earlier it could be nutrients are too low and you need to feed some more or add some fish. A good way to tell if nutrients are too low is how often you need to clean the front glass of the aquarium. Do you have any film algae growth on the glass or any algae at all in the tank?
You might want to make sure that your lights are on for the correct amount of time. Its pretty easy to accidentally bump the light timers and send the photoperiod out of wack. This could definitely bleach your corals.
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