ναι γιαυτο εβαλα τα
"....
" στην τοξικοτητα.δεν εχω διαβασει κατι πιο συγκεκριμενο,αλλα φανταζομαι οτι αφου τα χουμικα οξεα που απελευθερωνουν περιεχουν ουσιες οπως χαλκος,ασβεστιο,μαγνησιο κ.α η υπερβολικη ποσοτητα καποιον απο αυτα τα στοιχεια ισως εχει καποιες παρενεργειες....αν και πανω σε αυτο φαινεται να υπαρχει και ενα παραδοξο...
"Humic acid contains Sulfur, Nitrogen and Phosphorus in varying amounts. It also contains metals such as Ca, Mg, Cu, Zn etc. which can be 'chelated' in some undefined way. Humic acid can be broken down into two groups based on the polarity and size of the individual 'compounds'.
The smaller, more polar fraction is generally termed fulvic acid and the larger, more non-polar fraction is generally termed humic acid. Humic acids are the end product of microbial degradation of plant and animal debris and are one of the most important constituents of fertile soils.
Tannins, lignins and fulvic acids are sub classes of humic acids. They all tint the water yellow.
Tannic and humic acids may be useful for inhibiting many types of bacteria including cyano-bacteria and are fairly benign for your fish.
Another paradoxical effect of humic acids is the detoxification of heavy metals. Humic material and detritus in the aquarium also rapidly absorb and detoxify many chemicals including zinc, aluminum and copper! One might expect them to be made more, not less toxic by humic acids, but the studies seem to indicate a detoxifying effect."
πηγη
αλλα ποιο ειναι το σημειο "κορεσμου"?αν υπαρχει.δεν το ξερω.