brown alage

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keene1981

Well-known member
Joined
Jun 30, 2006
Messages
114
Location
topeka ks
my tank is 8mo old and have diatoms i use r/o water instant ocean salt no phosphate no nitrate i would like to know how to make it go way
 
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ronj

Blue Tang
Joined
Nov 28, 2005
Messages
4,490
Location
Destin,Fl
how many fish do you have?????what size tank are they in??? how much and how often do you feed them???? what, if any, additives do you use??? the answers will help greatly!!!!!
 

ronj

Blue Tang
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Nov 28, 2005
Messages
4,490
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Destin,Fl
what kind of food do you feed?????....also, what type of lighting do you have???i think i remember you having pc's...how old are the bulbs???
 

prbhasson

Well-known member
Joined
Feb 16, 2006
Messages
137
Location
Maine
as ronj said, how old are the pc's and also what type of flow do you have? Are you running a skimmer? these things will affect diatom build up if not kept in check....
 

ronj

Blue Tang
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Nov 28, 2005
Messages
4,490
Location
Destin,Fl
i was feedind brine shrimp for a while and all of a sudden, i had algae all over the sand bed and on the walls..i removed the fish to treat them for ich, and it starved out the algae..i feed alot more conservatively now...you might need to cut back on the portion size some
 

Dr. Dee

Free your mind
Joined
Oct 31, 2003
Messages
791
Location
Bakersfield,Ca
You have diatoms!!! Diatoms typically show up at the end of the cycle,and feed on silicates and phosphates, and then go away. How long do you have your lights on for ,you might need to cut back for a little time, and if your spectrum is bad that can do it also.you can also use some stuff called marine tank clarifier by coralife, it works on my service tanks.
 

ronj

Blue Tang
Joined
Nov 28, 2005
Messages
4,490
Location
Destin,Fl
i would just catch up on the water changes..do several large changes ,make sure your lights aren't old, and make sure you have the correct spectrum...the diatoms should starve off after the water changes...check your filters if you have them..change them if neccesary, better yet, get rid of them if you have them!!! if you are feeding more than your fish can handle in a minute, i would cut back some....all of this , along with the large water changes(and regular WC's), should starve the diatoms and fix your problem:)
 

Herefishyfishy

Smart Bass
Joined
Jun 27, 2006
Messages
6,578
Location
Mill Creek, WA
Have to agree with Dr Dee. Its not the food, it is more cycling of the tank and the higher level of silicates and or lack of lighting. The lack of enough wattage is a big factor here. Why are you putting additives in a 90 gal with little or no stony coral:confused: Ever do any water changes? Add more light:idea: and the brown will turn to green:D
 

Herefishyfishy

Smart Bass
Joined
Jun 27, 2006
Messages
6,578
Location
Mill Creek, WA
Your bioballs might be holding onto old silicates. They add nothing to the completed system. Gradually remove them. You have no reason to add calcium to your tank, there doesn't seem to be any stonies consuming it. The added Ca might be putting the ions out of balance. Hopefully the brown will cycle to green and then stable. Most tanks cycle through diatoms at one time or another. Your skimmer looks pretty deep in the water, could be just me.
 

ronj

Blue Tang
Joined
Nov 28, 2005
Messages
4,490
Location
Destin,Fl
don't put them back..they collect nitrates......that could be what is feeding your algae!!!..you want an additive for your rock????
 

ronj

Blue Tang
Joined
Nov 28, 2005
Messages
4,490
Location
Destin,Fl
no...they will not spike..remove a handful with each water change until they are gone...your nitrate levels will fall.....the only reason you would need the bioballs is if you had no liverock for bacteria to colonize on...you have LR though..there are plenty of bacteria on your LR..the bioballs aren't necessary!
 
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