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Old 09-01-2013, 04:13 PM   #1
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Friends tank(algae problem)

My friend's tank has a constant algae problem. Every time I come up with a solution, he says its not that. I need ideas. Process of elimination will help. Thanks for any replies.

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Old 09-01-2013, 06:03 PM   #2
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Lighting times, cuc, phosphate. I think a good cuc would help a lot. Emerald crabs, Margarita snails, a lot of snails.
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Old 09-01-2013, 06:33 PM   #3
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Oh and the type of top off water used? RO/DI, distilled, or treated tap.
I personally use RO/DI, but in the past I been told tap water is no bueno and could be the cause of rapid algae
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Old 09-01-2013, 10:35 PM   #4
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Thanks for the reply. He has eliminated the light times as a possibility. He uses only RO/DI water. I asked about phosphate he said no. Next time I talk to him I will ask. About what his clean up crew consists of.
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Old 09-01-2013, 10:38 PM   #5
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I think I need to go to his house and check the tank, lights, filter, etc. myself. An find out the source. I never have a problem with any of my tanks.
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Old 09-01-2013, 10:53 PM   #6
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I actually have kinda the same problem with my tank. And I'm still battling it myself. I believe a good cuc is essential
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Old 09-01-2013, 11:11 PM   #7
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Is the tank getting sun light from a window? Low phosphate readings may be from the algae consuming it.
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Old 09-02-2013, 12:07 AM   #8
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Also check magnesium. That stuff thrives in low magnesium environments. I'd also check calcium and alkalinity. I don't see much in the way of coralline or corals. Just some Xenia. My thinking is there is nothing much in the tank to compete with the undesirable algae. Regardless, there is something in the water / rock / sand that is fertilizing the algae. Water changes and manual removal will help. Keep in mind that the vast majority of phosphate test kits only measure inorganic phosphate, which may be as little as 10% of the total dissolved phosphate. If nitrates are higher than 10ppm, that is also a potential source.

How old are the bulbs and what type?
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Old 09-03-2013, 01:56 PM   #9
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Bah. Its excess protiens. I wont ask what his niotrate and phosphate levels are, because with all that algae, it HAS to be 0. My question is how does he remove the used protiens.
I.E. food in -> ammonia out -> bacteria eat -> nitrate produced. PWC takes out a wee little insignificant bit out, and the rest is left to feed his algae. Unless he does something else.
does he do something else?
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Old 09-03-2013, 05:30 PM   #10
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Quote:
Originally Posted by Ingy View Post
Bah. Its excess protiens. I wont ask what his niotrate and phosphate levels are, because with all that algae, it HAS to be 0. My question is how does he remove the used protiens.
I.E. food in -> ammonia out -> bacteria eat -> nitrate produced. PWC takes out a wee little insignificant bit out, and the rest is left to feed his algae. Unless he does something else.
does he do something else?
I tend to agree, but even .1ppm phosphate is pleanty to grow algae. You need to export the algae, not just recycle its nutrients. A CUC just recycles most of the algae organics. Removing the algae from the system and throwing it away is how you use algae to strip organic nutrients in your water.
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