Algae - Help me - The Planted Tank Forum
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post #1 of 6 (permalink) Old 02-21-2013, 03:05 PM Thread Starter
Algae Grower
Join Date: Feb 2013
Location: Chennai, India
Posts: 19
Algae - Help me

Its been 3 weeks since I setup this tank. But Algae is just growing everywhere... on the driftwood, plants, tank and the substrate. Not sure on what type of algae it is and how to control it. Its all over my x-mas moss and its frustrating that I need to deal with this within 3 weeks of starting this hobby. Please help.

Tank Size: 90 x 36 x 50 cm
Light: 4x39w T5 HO. 8 to 9 hours daily.
CO2 : Pressurized. 1 bubble / second. 8 hours (same as light but 30 mins before)
Fertilizer: Adding 25 ml of JBL Ferropol on alternate days.
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post #2 of 6 (permalink) Old 02-21-2013, 05:32 PM
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Join Date: Sep 2012
Location: Sacramento, CA
Posts: 765
Staghorn and diatoms. Diatoms are very common with new setups. They go away on their own. Staghorn can be removed by hand but typically appear in low flow areas. You definitely have too much light. ~160W for a 42 gallon tank is overkill. Obviously, would rather look at PAR but chances are, you got too much light. CO2 at 1 bps is pretty low, see how far you can push it but do so slowly. Also do like 3-4 WC weekly for the next 3 weeks.
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post #3 of 6 (permalink) Old 02-25-2013, 04:26 PM Thread Starter
Algae Grower
Join Date: Feb 2013
Location: Chennai, India
Posts: 19
Also I just found out that I'm doing a big mistake.

Actually I'm using 100% RO water. I didn't mix any tap water to it. Only fertilizer that I was using is Ferropol which may not be enough I believe. I already lost 6 neons.

Any help how to restore sanity would be highly appreciated.

1. Should I mix 50% tap water to the RO water for next water change?

2. What the fertilizers that I should add apart from JBL Ferropol?

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post #4 of 6 (permalink) Old 02-25-2013, 04:54 PM
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Join Date: Jan 2013
Location: Minnesota
Posts: 468
You can mix tap woth RO to remineralize the RO water. How much? Depends on the tap water ph, gh, kh and what water parameters you want for your aquarium. You can also remineralize with baking soda and something like GLA GH booster.

You also have too much light. Try cutting to two bulbs with the others for a quick noon burst for an hour or so, but no more. At 1 bps is your drop checker lime green? If not, maybe increase your CO2. I have a 55 gallon and run 4-5 bps. I also only have a 3 bulb fixture. So i run less light and more CO2, and no algae. If your tank is still really bad, maybe it would be easier to empty it and clean your plants with an H2O2 dip. You can then add proper water with clean filters and a better understanding of your initial mistake. Another thought is the "One Two Punch" Algae treatment discussed and explained on this forum under the Algae thread. You first add H2O2 to entire tank folled by Seachem Excel. I havent tried but it appears to work great for entire tank treatments. Can be hard on some fish and inverts though. Also would recommend dosing Seachem Excel daily. Excel is proven to help control most types of algae.

Not familiar with your ferts. I use dry ferts purchased from GLA. Macros/micros dosed every other day, alternate days. EI Dosing.

Finally, are you doing regular water changes? Good tank hygein is always helpful. I change 50% weekly, sometimes even more. This is required for EI dosing, but also helpful regardless.
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post #5 of 6 (permalink) Old 02-25-2013, 07:12 PM
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Location: Atlanta, GA
Posts: 429
Normal dosing of Excel will help. Increase CO2 so it won't get back. Read this post: Excel + Staghorn Algae
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post #6 of 6 (permalink) Old 02-26-2013, 05:06 PM Thread Starter
Algae Grower
Join Date: Feb 2013
Location: Chennai, India
Posts: 19
Thanks puopg, Dx3Bash & Bubba_Shrimp.
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