High GH and looking to reduce it - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 03-03-2010, 03:08 PM Thread Starter
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High GH and looking to reduce it

I use water out of the tap and for all intensive purposes it is not too shabby but the KH is 1 degree and the GH is 12 degrees.

All tanks have the same water parameters
Ph 6.2
Nitrate 0
Nitrite 0
Phospates .5
Ammonia 0

I can live with the KH but the GH I would like to reduce in order to support fish that would like to own. (Discus)

So here is the question...
Do I mechanically reduce the GH with a water softener pillow (or some other means) or do I bit the bullet and purchase water? (Either LFS water or R/o)

In my mind mechanical is easier as I only have to maintain media on maybe a monthly basis -achievable and cheepest

LFS water means gas cans / driving every few weeks to the store –achievable but added expence of water and now chems to treat water

R/o means cost and a place to keep the water until I have enough to replace water in the tanks I have –risky.. as wife could end up having words with me taking up more space with Fish activities Not to mention the previously stated added expence of chems for treating R/o water.
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post #2 of 3 (permalink) Old 03-03-2010, 03:20 PM
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KH rather than GH is the main issue for fish and plants.
Discus included.

Regards,
Tom Barr




Regards,
Tom Barr
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post #3 of 3 (permalink) Old 03-03-2010, 04:57 PM
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GH test kits are not generally very reliable, based on my experience with them. API kits tend to give high readings, or never change color no matter how many drops you add, again in my experience. Other brands may be a little better, but at best they work well for a few months, then stop working.

It would pretty cheap to look for another GH test kit, not API, and see if you get the same GH. Or, best of all, calibrate a GH test kit before using it. I haven't figured out a good way to calibrate that kit though.

Another thing to do is check the water quality report for you tap water, to see what it says the ppm of calcium and magnesium are.

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