cycling tank with plants - Need some advice - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 13 Old 07-16-2011, 07:04 PM Thread Starter
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Originally Posted by Byron View Post
Dolomite gravel is the best substance for this, a suitable quantity placed in the filter is how I used to do it when I had livebearers.

I don't quite understand your comment on Tiger Barb; this fish is not a good community fish, which is what I intended to say previously.

It is always best to select fish suited to the tap water, rather than trying to adjust it. Less chance of problems. The incredible variety among soft water fish should allow you to find something, and many of them are peaceful and compatible. Browse through the profiles, especially the characins, Cyprinids, and catfish. Water params are given for each species, along with compatibility issues if any. Remember that the minimum tank sizes are for the recommended number of that species; any other additional fish would mean more space.
Thanks again for that wealth of information!
With regard to the dolomitic gravel, will that leave a precipitate on the tank glass? I'm thinking of a cupful in the filter, then just monitor the KH and adjust as necessary.
Thank you for pointing out my misread on the tiger barb note....I'll add those couple I have to take to the pet shop along with the red tail shark.
That's what I'll do, browse through the various profiles of the fish and see who is compatible with who. I don't plan on having a bunch of fish in the tank, I would rather see a lot of plants.
I put several fish in the new tank and everybody seems to be doing OK. I'll move more over tomorrow if everything appears normal.

Thanks, I don't think you can get this kind of objective information from a pet shop.....They always seem to have an agenda, like to sell you something.

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post #12 of 13 Old 07-16-2011, 07:19 PM
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Dolomite will not leave precipitate. It is a type of rock similar to limestone, and it very slowly dissolves calcium and magnesium into the water--very slowly, it lasts years. It used to be easy to find dolomite gravel in fish stores (many used it in marine tanks back then), now it is hard to find. I have seen it online, can't remember where exactly; I want to get some myself.

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]
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post #13 of 13 Old 07-19-2011, 05:09 AM
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From what I read, if you put the plants in for a bit before the fish as soon as the fish go in and start pooing the cycle is complete as the plants nosh it all up.
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