Tap water Specs
Following is what I received from the Greater Cincinnati Water Works in reply to my inquiry as to average GH, KH, PH. Not sure whether this is what I need. Please review and advise. Thanks.
Hi Mr. Obermeyer,
You receive your water from the Richard Miller Treatment Plant (RMTP).
We use slightly different terms.
The average Total hardness for RMTP is 132 milligrams per liter (mg/L) as CaCO3.
The average Total alkalinity is 75 mg/L as CaCO3.
I believe the Total hardness is equivalent to GH and alkalinity is equivalent to KH.
The pH is 8.6.
Additional information that you might find useful:
Milligrams per liter (mg/L) is the same as parts per million (ppm). The two terms are used interchangeably.
There are 17.1 mg/L for each grain per gallon (gpg).
The average Total hardness for Miller water is then 132 mg/L or 7.7 gpg.
I don't know what you are after in terms of fish/water, but I can say that your GH at 132ppm is roughly 7 dGH. This is at the upper end of the "soft" range. Well suited to soft water fish and live plants. Near ideal, in fact.
The KH/Alkalinity at 75ppm is roughly 4 dKH. This has no effect whatsoever on fish or plants, but it does act as a pH buffer to maintain the pH at the level in the tap water. But not being high, the pH may well lower in the aquarium due to the organic processes. Which would certainly be better, with soft water fish.
Am I misunderstanding, or is a PH of 8.6 awfully high ?
I am always glad that I am on a well. I used to live in town, for about 12 years, and even then I carted well water from my parents' house for Drinking and cooking. If I could have carted it for showers I would have as that is as bad as drinking it.
Do I need to condition my well water seeing as there is no chlorine in it?
I am under the impression that it is the chlorine (or more accurately the chloramine) that the conditioners are for. I know it is hard water but I am not going to chemically adjust it, just pre-mix it to reduce the levels. I think that adding a conditioner that is not for chlorine may just chemically mess with the specs. I don't really want to add anything if I don't need to.
Jeff, that's funny. I have friends on well water and they only use it to bathe and wash clothes. They use bottled water for cooking, etc. I would think that you'd need to have your water analyzed to see what treatment is needed. That would be for you and your family more so than for aquariums. There shouldn't be any of the water purifying chemicals to treat; however, there could be microbial concerns.
Besides, I think people get sold on water treatment systems that they often don't need.
My tests came back last week that told me what I already knew but quantified it for use with the fish. No nasty bugs, that was all that I might have been concerned about.
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