Humic Acid Concentrate - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 04-15-2015, 07:15 AM Thread Starter
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Humic Acid Concentrate

I read that humic acids increase nutrient availability, promote nutrient uptake and stimulate plant growth. And I'm thinking of using a terrestrial humic acid concentrate in my planted tank. It says it's extracted from leonardite. Is it safe? And will the humic acid be absorbed by Purigen?
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post #2 of 6 (permalink) Old 04-15-2015, 11:31 AM
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The word concentrate would give me pause for fear of possibly and suddenly affecting water chemistry (pH).
Might would consider pure Sphagnum peat which would also be humic acid at slower release if mixed with say soil or under fine gravel/sand.
Yes Purigen will try and remove the tannin's which stain the water but I might not use the peat if this were a concern for me.
Fishes would not mind the tannins but you or I may.
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post #3 of 6 (permalink) Old 04-15-2015, 12:14 PM Thread Starter
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The word concentrate would give me pause for fear of possibly and suddenly affecting water chemistry (pH).
Might would consider pure Sphagnum peat which would also be humic acid at slower release if mixed with say soil or under fine gravel/sand.
Yes Purigen will try and remove the tannin's which stain the water but I might not use the peat if this were a concern for me.
Fishes would not mind the tannins but you or I may.
thanks for your reply. i am actually concerned only on its effect on plant growth. does it have any benefits in a planted tank? i'm wishing it's the magic potion to cure all my algae woes...

Last edited by birbaliktanki; 04-15-2015 at 12:25 PM. Reason: correct term
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post #4 of 6 (permalink) Old 04-15-2015, 01:05 PM
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I use peat mixed with soil for it's ability to release humic acids which help to slightly soften water,lower pH a little, and it's ability to adsorb/hold nutrient's for longer mixed in soil which benefit's plants.
Lower lighting if not injecting CO2 or using supplement's like Excel ,and sufficient or slightly excess macro and micro nutrient's produce fairly consistent result's with the weed's for me and other's.
Begin with lot's of plants of the fast growing variety and those that do well under lower lighting.
Patience.
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post #5 of 6 (permalink) Old 04-15-2015, 03:42 PM
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Quote:
Originally Posted by birbaliktanki View Post
thanks for your reply. i am actually concerned only on its effect on plant growth. does it have any benefits in a planted tank? i'm wishing it's the magic potion to cure all my algae woes...
AFAIK, humic acid mostly helps with algae issues because it tints the water and reduces light levels. This is not to say that humic acid (from whatever source) won't be beneficial to the plants, and better growth may help deter algae some as well, I just don't think that's the primary mechanism.

However, if you're looking for a magic potion for algae woes, light/co2 balance is your usual first step (depending on the algae type, etc).

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post #6 of 6 (permalink) Old 04-15-2015, 04:05 PM Thread Starter
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improved plant growth is what i'm really hoping to get out of using peat and in the process, less algae. but based on your replies, its the basic stuff that really matters in dealing with algae - co2, light and ferts.
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