Help! First time with a 9 gallon Planted tank - The Planted Tank Forum
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post #1 of 6 (permalink) Old 03-25-2011, 06:01 AM Thread Starter
Join Date: Mar 2011
Location: San Francisco, CA
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Help! First time with a 9 gallon Planted tank

Hey Guys!

I really need some help with my new tank. I got it about 2 months ago and did the cycling, put some fish in there, but now it seems like my plants are dying.

I've done some reading and I know you are going to want some specs.

I got the Odyssea B9 tank which is 9 gallons and the lightbulb underneath is 25 watts. As a sidenote, only one of the florescent tubes lights up...does this mean the bulb is defective or is that just the way they work?

I haven't been the best about keeping a regular lighting schedule, but i just got a timer and have it set for 8 hours a day. Will that help my problem?

The people from the fish store told me to add this excel flourish and iron & magnesium supplement daily, so I do about 10 drops. Plus, I tossed a couple of tubes with fertilizer in the sand at the bottom.

I included some pics but let me know if you need more info or can help me out!

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post #2 of 6 (permalink) Old 03-25-2011, 06:47 AM
Algae Grower
Join Date: Feb 2011
Location: Sydney
Posts: 10
The yellowing on your plants usually means not enough iron but than again be could be more than just iron it self. I just to get that on my driftwood plant alot, thought it wasnt the thing for me so i got other plants. Out of every 4-5 new crypts leaf one of mine does yellow and disappears.
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post #3 of 6 (permalink) Old 03-25-2011, 07:56 AM
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Join Date: Aug 2010
Location: United States
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try 10 hours of light. Give the recommended doses of fertz and give it a few weeks.
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post #4 of 6 (permalink) Old 03-25-2011, 06:02 PM
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Location: VA/DC
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How long have you been adding those ferts, just recently or all along? And you said one bulb isn't lighting up. Check too see how many watts the one bulb is giving you, might say on the bulb. It might need both bulbs working to get ur full 25w.
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post #5 of 6 (permalink) Old 03-30-2011, 11:49 PM Thread Starter
Join Date: Mar 2011
Location: San Francisco, CA
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been using the ferts all along, upped the light to 10 hours a day, but haven't been the best at doing water changes.

whats the deal with that? do i really need to do them?
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post #6 of 6 (permalink) Old 03-31-2011, 12:18 AM
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Join Date: Dec 2010
Location: Rhode Island
Posts: 316

Holes with yellowing and brown in the center usually lean towards a phosphate deficiency. Looks like the new growth at the top is healthy. I would cut the plant about 4+ inches from the top and plant the tops and scrap the bottoms. All the leaves that are effected badly you should cut off if some are left.

You will be alright keeping your light on for 8 hours. Increasing your photo period due to lack of light does not help any.

Good luck!
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