Will my tap-water work for a planted tank? - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 04-08-2010, 06:28 PM Thread Starter
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Will my tap-water work for a planted tank?

Hi all. I tested my water a couple months ago with odd results (10 year old test kit). So, i picked up some new test kits and my water is very hard. Can it be used straight from the tap? Or, do I need to mix RO with it. I have a RO unit but would prefer to not use 10-15 gallons per week for water changes. I've been reading that most plants and fish will adapt to hard water... but is mine too hard? I will be using some driftwood and co2 which would lower it some. The tank will be 50 gallons.

Tap-water
KH- 20 degrees
GH- 11 degrees
PH- 7.8
TDS- 515 ppm

Thanks, Mike
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post #2 of 4 (permalink) Old 04-08-2010, 07:17 PM
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Mike, I had the same problem at my house. I also use well water (only) and it was about the same parameters as yours. I put Aquasoil in as the substrate and it lowered from 7.6 to about 7-7.2 pH. Both of the KH and GH went down considerably to 8-10 deg. and the inhabitants seem to like it OK. I think maybe that the CRS (crystal red shrimp) are still too sensitive for this as they like the 6.8~ range. You can also get fish that like the harder water, but the plants will do ok.
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post #3 of 4 (permalink) Old 04-08-2010, 08:47 PM Thread Starter
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Thank you. Thats good news. Do the softening effects of Aquasoil last? Or does your water get harder when water changes are done.
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post #4 of 4 (permalink) Old 04-08-2010, 09:05 PM
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I really haven't checked my parameters lately, but everyone stays very happy after a water change. I truly like the AQ but the beginning stages of it really suck. The ammonia is too huge for any aquatic life for a few weeks. Daily water changes (100%) for two weeks made the water at 0% ammonia. The plants really take off in the richness of the stuff. Other people have had some problems, so I feel very lucky with my two tanks. I used the regular AQ not the powder within a day or two the cloudiness was all gone. Good luck!
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