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Old 01-04-2014, 12:20 PM   #1
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What's on this live rock?

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Happened pretty much over weekend and seems to be spreading!
Only thing I've done is add a heater?
Any suggestions ideas how to get rid of? Thanks in advance
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Old 01-04-2014, 01:35 PM   #2
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If you are referring to the brown algae it is called diatom algae...has the tank cycled ? How old is the tank? How long is your light cycle set for?
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Old 01-05-2014, 02:42 AM   #3
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Quote:
Originally Posted by Themonsterisme View Post
If you are referring to the brown algae it is called diatom algae...has the tank cycled ? How old is the tank? How long is your light cycle set for?
Thanks Monsterisme, wanted another look..
I have had the tank for 6 mos, but increased the live rock by 80 lbs 2 weeks ago! As for the lights I manually turn them on in the AM and off in the PM, around 10 hours I would suspect. Will it go away if I cut back. The light ?
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Old 01-05-2014, 02:50 AM   #4
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Diatoms feed on the sillicates in your tank. This is contained on any new sand and rock substrate. It will go away on its own after the sillicates are consumed. Give it a week or two. The duration is determined by flow, temp, and other factors.
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Old 01-05-2014, 11:41 AM   #5
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Thanks Aqua, I did actually add another power head to the tank as well as the heater. My nice purple and white rocks all brown..
Would larger more frequent water changes speed up the process?
Or less time with lights on?
Thanks again everyone for the feedback
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Old 01-05-2014, 12:30 PM   #6
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Water changes will not always fix the diatom problem if you are using tap water which a lot of times has high silicates in it...you can cut your light cycle down and give it a few weeks...just be patient
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Old 01-05-2014, 12:41 PM   #7
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Will do, thanks Monster!
Really should think about rodi unit !
Thought I would be ok with FOWLR,
Tap water must be the cause of the high silicates....thanks again
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Old 01-05-2014, 02:33 PM   #8
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Hey guys, what is a good silicate removal compound? Just did some reading on diatoms and apparently I need to add some sort of removal compound to combat the silicate in both the aquarium water and the raw water added during top up.
Thanks in advance
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Old 01-05-2014, 05:21 PM   #9
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Yup, if you're using tap water, the silicates will never go away. Invest in a RODI unit IMO/IME.
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Old 01-06-2014, 03:01 PM   #10
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Bought some silicate remover and put it in my Sump-under the filter! guy at the local fish store said that it's probably due to lack of water movement in the middle areas of tank! Btw he says he gets it sometimes and never used rodi on any of his tanks.
I will update my findings and post any pics
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