JBuffetReefer
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does anyone know why algae blooms when the lights are on and then disappears when the lights go out?
algae and light
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JBuffetReefer
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Ah well that explains everything. Anyone care to elaborate? Is their a way to control it? My levels are all reading 0, my skimmer pulls lots of junk out of the water and I keep my filters clean. I didn't always have this problem.
downhillbiker
New member
did you change your bulbs or lighting fixture? this can happen if you increase the intensity of the lighting. i had/have a problem with this since i got the new metal halides. i cut back my photoperiod from 8 to 6 hours, and you probably could do the same. the corals will be fine. they go through a winter season too when they dont get much sunlight.
reefmaister
New member
just one of the many varieties of algae (presumably) that have extremely high reproductive rates, responding to photosynthesis. If algae is a problem, can you reduce feeding, do you need to change water more often or a larger %, and are there any rocks/areas where algae/waste is accumulating?
o.c.d.
New member
Quote"just one of the many varieties of algae (presumably) that have extremely high "reproductive rates, responding to photosynthesis". ???
Algae range in form from microscopic unicellular phytoplankton to multicellular seaweeds that grow more than 50 meters long. Most are photosynthetic (photoautotrophs), some are facultative or obligate heterotrophs,and few are phagotrophic. "Julian Sprung, Algae A problem solver guide"
This makes me think most are photosynthetic and last resort being pull from light source and you'll kill the algae. I know po4 and nitrate organics all add to the growth and blooms but I always thought the primary was photosynthesis.
Algae range in form from microscopic unicellular phytoplankton to multicellular seaweeds that grow more than 50 meters long. Most are photosynthetic (photoautotrophs), some are facultative or obligate heterotrophs,and few are phagotrophic. "Julian Sprung, Algae A problem solver guide"
This makes me think most are photosynthetic and last resort being pull from light source and you'll kill the algae. I know po4 and nitrate organics all add to the growth and blooms but I always thought the primary was photosynthesis.
JBuffetReefer
New member
About half of my algae growth is brown and the other is red cyno. I've only had the cyno problem for the last 6 months. I had it in my 70g tank and it followed to my 120g tank. I don't think it's my source water because my 34g tank does not have this problem.
o.c.d.
New member
For cyno sometimes just an increase of flow will help, increase in skimming or just cleaning the skimmer cup every day will make your skimmer pull more organics out carbon also helps.
The brown well a better description may be in order but could be diatoms or even cyno, strong water flow also would help for them.
IMO knowing the Total dissolved solids of your RO water should be known even if both tanks are being compared but I'd start with skimmer and flow
The brown well a better description may be in order but could be diatoms or even cyno, strong water flow also would help for them.
IMO knowing the Total dissolved solids of your RO water should be known even if both tanks are being compared but I'd start with skimmer and flow
RumLad
New member
Check out this interesting read on cyano bacteria.
http://www.ucmp.berkeley.edu/bacteria/cyanointro.html
I have found that increased flow, the addition of a phosphate remover and a little less food has really helped reduce the amount of cyano in my tank. Not completely gone, yet, but heading the right direction.
http://www.ucmp.berkeley.edu/bacteria/cyanointro.html
I have found that increased flow, the addition of a phosphate remover and a little less food has really helped reduce the amount of cyano in my tank. Not completely gone, yet, but heading the right direction.
JBuffetReefer
New member
has anyone noticed any effect cyano has on corals like SPS and zoos? I noticed one of my SPS show a retraction of polyps the other day along with my zooanthid. I placed both in my 34g tank and they seem to be doing better.
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