tannins
- Thread starter eon aquatics
- Start date
At the end of this article there's links to research on tannins (humic substances). The article was written by a hobbyist.
tanninaquatics.com
If you do a search on fish and humic substances, you can get hits like this
www.researchgate.net
www.researchgate.net
pubmed.ncbi.nlm.nih.gov
Guest Blog: Humic substances in freshwater aquariums By Vince Dollar
Editor's note- I was contacted by today's guest author, Vince Dollar, some weeks ago, after he stumbled on the Tannin Aquatics website. Intrigued by our offerings and ideas, he proferred that there is way more to the concept of "aquatic botanicals" than just great-looking aquariums! A very...
If you do a search on fish and humic substances, you can get hits like this
(PDF) Dissolved humic substances facilitate fish life in extreme aquatic environments and have the potential to extend lifespan of Caenorhabditis elegans
PDF | Dissolved humic substances (HSs) are taken up by organisms and interact on various molecular and biochemical levels. With two examples, we show... | Find, read and cite all the research you need on ResearchGate
www.researchgate.net
(PDF) Humic Acid Interferes with Species Recognition in Zebrafish (Danio rerio)
PDF | Few studies have addressed how chemosensation may be impaired by chemical alterations of the environment and anthropogenic disturbance. Humic acid... | Find, read and cite all the research you need on ResearchGate
www.researchgate.net
Humic substances. Part 1: Dissolved humic substances (HS) in aquaculture and ornamental fish breeding - PubMed
The lack of therapeutic and antiparasitic substances in aquaculture requires new strategies and ways of thinking. The search for alternatives to the 'traditional' chemical therapeutics calls for the intensive research. Inevitably, this search will lead to an intensive contemplation on HS as...
I believe the amount of tannic acid concentration is more important to some species, more than others, and for some may be more seasonally effective and critical.
A long lived cichlid from a black water river in South America may need them much more, than a rift lake African.
In the rift lakes, or Central American Cenotes, the minerals in those water naturally neutralize some tannic acids.
And more than the fish itself, it may be that in black water, certain bacteria, fungi, and protozoa are hindered, becoming barely present at all, so the fish may not have needed to develop resistance to those things.
So if a fish is then placed in a tank without that tannic safeguard, the fish becomes susceptible (not immune) to the type bacteria present in non-tannic water, and manifests as chronic disease like HITH/HLLE over time.
Oscars, and many other large, long lived cichlids from South American rivers come to mind.
Because my tanks are outside they are subject to falling leaf litter, and soft water rain influences, similar to natural waters here in Panama.
At the start of the dry season when leaves drop considerably more in the tank, and pH drops as lower pH rains replace tap water, tannins build up, at times to a point where I can't see to the back wall.
As the rains continue (and I do water changes) the tannins are diluted a bit, but not completely, and these tannins also seem to signal breeding season for my Andinoacara, and may help keeping eggs from fungusing.
When living in the US in fall I raked up oak, maple, and magnolia leaves and soaked them in rain barrels to mix with tap water for water changes for species coming from tannin concentrated areas.
So I'm not sure leaf species matters as much as just getting tannins in.
I know killifish breeders that have been use peat moss to achieve the same effect for years.
If I was keeping oscars, angels, or other medium to large South American Amazonian cichlids, adding tannins would be a major priority.
A long lived cichlid from a black water river in South America may need them much more, than a rift lake African.
In the rift lakes, or Central American Cenotes, the minerals in those water naturally neutralize some tannic acids.
And more than the fish itself, it may be that in black water, certain bacteria, fungi, and protozoa are hindered, becoming barely present at all, so the fish may not have needed to develop resistance to those things.
So if a fish is then placed in a tank without that tannic safeguard, the fish becomes susceptible (not immune) to the type bacteria present in non-tannic water, and manifests as chronic disease like HITH/HLLE over time.
Oscars, and many other large, long lived cichlids from South American rivers come to mind.
Because my tanks are outside they are subject to falling leaf litter, and soft water rain influences, similar to natural waters here in Panama.
At the start of the dry season when leaves drop considerably more in the tank, and pH drops as lower pH rains replace tap water, tannins build up, at times to a point where I can't see to the back wall.
As the rains continue (and I do water changes) the tannins are diluted a bit, but not completely, and these tannins also seem to signal breeding season for my Andinoacara, and may help keeping eggs from fungusing.
When living in the US in fall I raked up oak, maple, and magnolia leaves and soaked them in rain barrels to mix with tap water for water changes for species coming from tannin concentrated areas.
So I'm not sure leaf species matters as much as just getting tannins in.
I know killifish breeders that have been use peat moss to achieve the same effect for years.
If I was keeping oscars, angels, or other medium to large South American Amazonian cichlids, adding tannins would be a major priority.
my 55 gallon went from orange to yellow water overnight, but the carbon filter pads and activated carbon isnt getting rid of the yellow?
what make aquarium water yellow?
what make aquarium water yellow?
