diffusing light with tannins - The Planted Tank Forum
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post #1 of 6 (permalink) Old 01-07-2013, 02:14 PM Thread Starter
Algae Grower
Join Date: Apr 2011
Location: edinburgh
Posts: 42
diffusing light with tannins

i have 2x 24w over a ten gallon and the algae is rampant. i also need to lower ph for fish and plants. can i hit two birds with one em maybe three or four cattalpa leaves? they diffuse light and lower ph but dont know what qualities of the light they diffuse.
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post #2 of 6 (permalink) Old 01-07-2013, 02:58 PM Thread Starter
Algae Grower
Join Date: Apr 2011
Location: edinburgh
Posts: 42
To clarify: can i use cattalpa leaves to leach tannins to blacken the water and thus diffuse the light; rather than remove a lightbulb?
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post #3 of 6 (permalink) Old 01-07-2013, 06:27 PM
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why would you want to do that?


Hillstream/Boreno Loach Refuge

Space Coast Aquatic Plant Society on Facebook.
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post #4 of 6 (permalink) Old 01-07-2013, 06:29 PM
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Location: New York
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to reach your objectives, might i suggest adding floater plants to target the nitrates while also diffusing the light intensity to more agreeable levels. The floaters would start to absorbe the excess light and consume the nutrients in the water column to hopefully hasten algae progression.

"I am Groot", the faithful protector
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post #5 of 6 (permalink) Old 01-08-2013, 12:56 AM
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Thats a ton of light man. You can get away with half of that.
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post #6 of 6 (permalink) Old 01-08-2013, 11:04 AM Thread Starter
Algae Grower
Join Date: Apr 2011
Location: edinburgh
Posts: 42
ive only got diy co2, and the light is too much and algae is terrible. but thought if i took away a whole 24w the lighting might not be sufficient to grow my carpet plants.. ill put in a few pieces of frogbit, i just thought that they dont diffuse light more like block it completely. but finally yeah i took out a bulb and will experiment. i tried carpets before and thought it was the lights you see but now maybe it was ferts. I've got root medic root tabs now after the rave reviews so fingers crossed.
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