cherry barbs and catappa leaves - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 14 Old 12-12-2010, 01:34 AM
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almond leaf

Totziens, thanks very much for your kind help.

Resuming Fish Keeping in the Gentle Mountains of NE TN.
"All that is necessary for the triumph of evil
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post #12 of 14 Old 12-12-2010, 01:49 AM
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leaves

i use oak leaves with my neons and cardinals...there are also ottos and cories...bettas as well...i just chang them out when i do a water change..they work great and for me free....just for the tannins though

...........
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post #13 of 14 Old 12-12-2010, 08:27 AM
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You're welcome, noledoc. Hope the info helps.
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post #14 of 14 Old 12-13-2010, 05:45 PM
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One does have to be careful with some leaves. I use oak leaves and they remain in the tank until they are literally rotted apart. I have not noticed any discolouration of the water, but of course I only have 2-3 leaves in a 10g and 20g aquarium. I have never used Almond leaves, but many have, so presumably they are safe in themselves. I don't know if they can be left in the aquarium or have to be removed at some pint, I assume those linked articles might answer that [haven't read them yet]. As with wood, not all leaves are usable, so know the leaf.

Some leaves have toxic substances. Oak and similar leaves should be completely dried, not fresh off the tree [totziens, was this your issue perhaps?]. This way no fresh sap gets into the tank.

A friend of mine who is an acknowledged authority on dwarf cichlids once told me about collecting some rare cichlid in South America, along with the sunken leaves that cover its natural habitat streambed, and on which it spawns. After a few months in the aquarium, suddenly all the fish died, and it turned out to be due to the toxins released by the leaves. In the wild the stream water carries toxins away, but in the enclosed aquarium they remain and build up in the water to a lethal point. I have read that fully drying the leaves prior to use should prevent this from occurring.

A quick comment on the original question of cherry barbs/corys in water with a slightly acidic pH. These fish mainly occur in very soft water, with usually a fairly acidic pH (in South America) or slightly acidic to sometimes slightly basic (in SE Asia depending upon location). They will therefore be fine as long as extremes in acidity are avoided. And with hard water having a pH of 7.6 I would not expect a few leaves to have that much of an impact to create extremes in acidity; the hardness (mineral content) is likely to work again that occurring.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]

Last edited by Byron; 12-13-2010 at 05:50 PM.
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