Tank looks too green! - The Planted Tank Forum
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post #1 of 9 (permalink) Old 06-17-2018, 05:25 PM Thread Starter
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Tank looks too green!

Hi all.

My planted shrimp tank has been going for about a year now, but as everything has grown in the tank is looking really green and it looks odd to me.
Is there anything I can do to fix this? Remove plants maybe, or add some different coloured plants?

See the photos taken about two months apart.
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post #2 of 9 (permalink) Old 06-17-2018, 06:17 PM
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When plants grow, the light shines through them and it casts a green tint over the tank.

If you trim back the plants, the tank will look like it originally did.

You can get a higher quality light, or another light with better distribution.

Its a lighting issue imo.


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post #3 of 9 (permalink) Old 06-17-2018, 06:40 PM
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Do you mean you want more contrast? You could try changing your background colour - black would make the plants pop and stop them blending into the background.

Your rocks will probably have a bit of algae by now, a scrub with a toothbrush will clear that up and turn them greyer. You could also scatter a few more smaller rocks forward a bit to break up your green carpet.

Some redder plants would also add more contrast. Maybe a red/brown crypt in front of the rocks.

Tannin from wood can give it a yellow tint to the water that isn't always very obvious but can effect the overall tone. If you don't do big/frequent water changes you might try a couple to see if that makes any difference.

The lights can also be different tones, you get yellower (which will give an overall greenish/yellow tinge to everything, as apposed to blue/white light that will be a bit more stark coloured and make the rocks look greyer.
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post #4 of 9 (permalink) Old 06-17-2018, 07:47 PM Thread Starter
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I have two led lights in this tank at the moment, one is a ‘sunlight’ (6500k I think?) and the other is more of a neutral white.

So i’ve just thinned the plants out a lot, scrubbed everything down and done a 50+% water change, looking slightly better I think? See photo.

I have been meaning to add a black background so that will be next. Hopefully will help!

Looking at the before and after it seems that majorly thinning out the moss and java fern helped a great deal!
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Last edited by Darkblade48; 06-18-2018 at 12:20 AM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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post #5 of 9 (permalink) Old 06-18-2018, 07:32 PM
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I know it's usually blasphemy to buy plants from big box stores, but the tissue culture Petsmart sells called "crypt undulata red" is actually a very pretty, undemanding plant. Mine have stayed reddish-purple the entire time I've had them, had almost no crypt melt.
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post #6 of 9 (permalink) Old 06-18-2018, 08:18 PM
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Quote:
Originally Posted by BigNoobMan View Post
I have two led lights in this tank at the moment, one is a ‘sunlight’ (6500k I think?) and the other is more of a neutral white.

So i’ve just thinned the plants out a lot, scrubbed everything down and done a 50+% water change, looking slightly better I think? See photo.

I have been meaning to add a black background so that will be next. Hopefully will help!

Looking at the before and after it seems that majorly thinning out the moss and java fern helped a great deal!
Looks better.

Another thing that could help is a UV sterilizer/clarifier. I got one of those $40 ones from Amazon and it was amazing. Bulb lasted 9 months.

There are organics in the water column that will give the water a tint. It may not be a full on algae or bacteria bloom, but it still will have some color.


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post #7 of 9 (permalink) Old 06-19-2018, 05:46 PM
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To me, the second (green) one looks a lot better. But then I have cataracts an that can affect color. I am reminded of the artist Monet who tore up pictures when he got his eyes fixed. I am running 8000K lights on my tanks because that is how I like it. So this ramble just explains why I like the one you don't.
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post #8 of 9 (permalink) Old 06-20-2018, 12:57 AM
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I 2nd the suggestion to add a background... black would accent the white substrate and really make the plants pop... it would also hide all the wires and equipment behind the tank. Every time I’ve added a background it made the tank look brighter. Idk if there’s light loss out the backside of the tank, but for whatever reason a background would def make it pop.

Experience: worked in fishroom of Eddies Aquarium in Albany all through college, 20 years of keeping reef tanks, planted tanks, and dart frog vivariums.

Current/in-progress tanks: 20 gallon hi tech tank in office, 120 gallon nature/tetra aquarium at home.


Philosophy: work with what you’ve got, and make choices based on the conditions that easiest for you to maintain over time.
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post #9 of 9 (permalink) Old 06-20-2018, 04:17 PM
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Maybe if the larger plants (j ferns) were lower in the tank, the light coming through wouldn't be so green.
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