Hard Water - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 11 Old 02-26-2012, 12:05 PM
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Originally Posted by CinBos View Post
Also ive just noticed alot of cichlids need between 7.5 and 8.5 ph levels (except for oscars) and most of the fish i listed like the plecos, loach and knifefish all need lower ph levels (at the highest 7.5), i just dont know where to find the happy medium and get a good selection of fish.
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When we put together a "community" aquarium, we are mixing different species. To be successful, all the species must share common ground. This involves water parameters--the range in hardness, pH and temperature for each species must fall within the given range for each species included; environment--the tank size must accommodate each species individually but also allow for their interaction, and provide the physical conditions they need (wood, rock, plants, light, water flow, etc can all be crucial); last their individual temperament, traits and behaviours must work together. If any of these factors do not match, the community will not be successful, and usually the health of one or more fish will be affected.

Here are some links to articles on commhunity tanks that may help you to understand all this.


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; 02-26-2012 at 12:13 PM.
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