Tropical Fish Keeping - Aquarium fish care and resources

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-   -   How can you find out the hardness of aquarium water? (

alexcolby 08-25-2011 11:58 PM

How can you find out the hardness of aquarium water?
I have a API Freshwater Master Test Kit that shows me the ammonia, nitrite, nitrate, pH, and high pH levels of my water. I was wondering how to tell the hardness of the water because under a lot of the fish profiles here it says they need certain degree of soft/hard water. Thanks.

Ps. Is there a way to alter any of these values? Like make the pH more acidic.

Beaches 08-26-2011 08:27 AM

There are seperate test kits for GH and KH. This thread/article on the subject by Byron may answer a lot of your questions...

ladayen 08-26-2011 09:27 AM

What is your PH currently?

On a side note, looking at your tank in your aquarium log it says you have a feeder fish. I'm gonna guess it's a comet goldfish. It will grow to over 1' long and needs a 75g tank to live healthy. Your 2 koi can get twice that size and need a much much larger space. I would look around and see if anyone has a very large pond that could take them.

No idea what a panchax is.

BarbH 08-26-2011 10:58 AM

For finding the hardness of your tap water, before buying the test kits I would suggest checking online with your local water people first. Many places now have this information online, you may need to do a little bit of searching, but you will probably be able to find it. If you can not find the information online the next step I would suggest is calling them to see if you can get the information from them. You will want to find out the general hardness and the Karbon Hardness, since these play two different roles. The article recommended by Beaches will explain this in more detail.

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