High light route - The Planted Tank Forum
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post #1 of 5 (permalink) Old 03-08-2008, 06:07 PM Thread Starter
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High light route

Hi Everyone,

I have a 7 gallon long, 24 inch x 7 inch (Deep) x 9 inch (High). For lighting I have a 24inch HO T5 dual bulb 24 watt system. So that is 48 watts over 7 gallons which is about 7 wpg. To complement the lighting, I put together a DIY CO2 bottle, attached to an air stone under the intake of my filter.

Edit --> Found a good how-to on a drop checker, and I also found a cheap place to buy one locally.

My main questions are thus.

Will a DIY CO2 be sufficient to supply the plants with CO2 considering the amount of light I have over such a small tank.

Will Seachem Fluorish (the trace element supplement, no carbon) allow me to grow most plants in my tank without a specialized substrate as all I have now is sand.


Last edited by ataller; 03-09-2008 at 03:02 AM.
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post #2 of 5 (permalink) Old 03-11-2008, 03:14 AM
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Okay, a couple things. First off, if you're going to go with an airstone, Id chose a limewood airstone. I'm using a glass nano diffuser off ebay, and I find that it clogs a lot less than the airstones I was using before, which I was generally unhappy with.

I think a DIY system is fine for a 7 gallon tank. Just keep up on your DIY solution so that you dont have fluctations in your CO2 levels... algae can get a foothold if you don't realize your CO2 output has tapered off.

Flourish will definitely help, but keep in mind that this adds only micro nutrients to your tank, not the macros that are pivotal to plant growth. You'll need a source of Nitrates, Potassium, and Phosphates. Some of that will come from the fish food you add to the tank, but you may find that you'll need to supplement them as well.
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post #3 of 5 (permalink) Old 03-13-2008, 05:21 AM Thread Starter
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Thanks for the response, I had forgotten about this post. The DIY CO2 is actually doing great things, I am going to attach a couple pictures of my plants, and you can see the masses of O2 bubbles they are producing.

I got rid of the air stone, found someone to buy a glass diffuser and a drop checker from. What I did in the meanwhile is put the naked CO2 hose into the intake of my Aquaclear filter. The impellar chops up the bubbles and all is well.

How can I tell if I am lacking in phosphate and potassium? There shouldn't be a problem with nitrogen, I feed my cardinal tetras and my ottos have been pooping up a storm after cleaning the tank out of algae.


PS here are the photos

1)Mayaca fluviatilis

2)Java Moss

3)Chain Sword

4) Red Ludwigia

5) Tank Shot
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post #4 of 5 (permalink) Old 03-15-2008, 07:01 AM
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wow! looks very nice, way better than i expected it to!
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post #5 of 5 (permalink) Old 03-15-2008, 07:04 AM
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this tank looks wonderful

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