Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Old water good for anything? (

Elahrairah 03-17-2007 11:34 AM

Old water good for anything?
Sorry, I don't know where to post this question, so I will put it here where it seems most people are.

The question: Is the old water I remove weekly from my tank worth anything? Anyone try to use it to water their garden, houseplants, etc? Any other uses? I guess it would be high in organics and nitrates....and the plants in the tank seem to accept it....

musho3210 03-17-2007 11:52 AM

i asked this question a long time ago, yes plants love them, why waste :)

Amphitrite 03-17-2007 12:34 PM

I always use old tank water to water my houseplants. The benefits as far as I'm aware are that it's lacking in chlorine/chloramines which are present in tapwater, and also has nitrates which the plants love.

Rue 03-17-2007 01:17 PM plants enjoy the old fish tank water too! :D

The Dude 03-17-2007 01:48 PM

theres a reason that the earths ecosystem worked so well. (before humans' creations were put into the equasion.) That reason is that anything that one lifeform makes, some other will consume. Plants will like it fine.

Zephyr 03-17-2007 08:22 PM

Well, on the odd occasion you have or get african clawed frog tadpoles, they love the stuff. They're natural filter feeders and love the excess food and waste particles.
Nitrates? They come from an ecosystem where there's a minimum of a foot of decaying organic material beneath them.

Andyandsue 03-17-2007 08:42 PM

Plants, especially ones in pots since they are the ones lacking in naturally reoccurring fertilizer that other plants get from the soil beneath them.

TheXman 03-18-2007 03:35 AM

Since I started up my tank and used the water changes to water my plants, my orchids have dramatically increased their flower production. Now I don't have to remember to use orchid food, which I usually forgot about!

daisycutter 03-20-2007 06:45 AM

bottle it and sell it as "mineral water" evian has been doing it for years :twisted:

Andyandsue 03-20-2007 10:48 AM


Originally Posted by daisycutter
bottle it and sell it as "mineral water" evian has been doing it for years :twisted:

There would have to be some disclaimer like "Shake well, as this is a natural product and some sediment may occur that will not effect product enjoyment"

Oh gross! :sick:

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