Out of the tap, your city water? - The Planted Tank Forum
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post #1 of 26 (permalink) Old 04-25-2016, 09:10 PM Thread Starter
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Out of the tap, your city water?

Grand Forks, ND-
PH- 9.4
TDS- 182
GH- 3-4
Kh- 3

North Dakota
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55 shrimp tank, rcs
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5.5- cycling to be another shrimp tank...
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post #2 of 26 (permalink) Old 04-25-2016, 09:15 PM
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Hi bsherwood,

Renton (Seattle), WA
PH- 7.8 (from tap)
PH- 7.0 (after 24 hours)
TDS- Unk
GH- 2-3
KH- <1

Roy_________
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75 Gallon, 2X55W AH Supply CF 8800K, 1X 59W Fluval Plant (3.0); 45 Gallon Tall, 1X 46W Fluval Plant (3.0); 30 Gallon Long; Fluval F&P 2.0; 20 Gallon, 1X26W AH Supply LED; all with CO2 & (Calcined) Montmorillonite Clay

Last edited by Seattle_Aquarist; 04-26-2016 at 04:36 PM. Reason: sp
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post #3 of 26 (permalink) Old 04-25-2016, 09:33 PM
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Rochester NY
(after off gassing without ph is around 8-8.2)
PH- 7.8
TDS- unknown
GH- 12
Kh- 7


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post #4 of 26 (permalink) Old 04-26-2016, 12:58 AM
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Davenport, IA-
PH- 7.6
TDS- 197
GH- 12
Kh- 7
Nitrates 20+


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Last edited by Immortal1; 04-26-2016 at 01:40 AM. Reason: more info
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post #5 of 26 (permalink) Old 04-26-2016, 01:14 AM
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Gettysburg, Pennsylvania... Ph-7.4, gh-3, kh-4, phosphates-2, nitrates-20....

Wow y'all, I'm not alone in the way to soft, pH immovable, high tds city water crowd. And as much lead as flint Michigan I've heard. What do you guys do to combat this? Great thread here. Sorry if it's off topic. Just never saw numbers so similar to what I struggle with.
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post #6 of 26 (permalink) Old 04-26-2016, 01:42 AM
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Convic with convics - had pretty much the same thought "wow, I'm not alone" Just love my concrete water full of farm runoff


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post #7 of 26 (permalink) Old 04-26-2016, 03:14 PM
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Water companies add chemicals to keep the pH well above 7 in the plumbing. Flint ran into their problems when the water company didn't do that. Low pH water dissolves lead and copper - very slowly, but enough to give you a high content of those metals in the water. The chemicals they add can vary, but I believe lye is one that is commonly used. A pH of 9.4 makes me think they are overdoing the chemical addition, by quite a bit!

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post #8 of 26 (permalink) Old 04-26-2016, 03:16 PM
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Scary. So Glad I am on country well water!!

Active - 3x 55g, 1x20T
Inactive - 25g, 20T, 10g, 2.5g
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post #9 of 26 (permalink) Old 04-26-2016, 04:39 PM
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Texas, San Antonio
PH- 7.6-7.8
TDS- 220-250
GH- very High
Kh- very high

water comes from a limestone aquifer, Calcium and Magnesium content is pretty high...

Great for Africans but challenging if you want to keep soft water anything.

mix 90% R/O to 10% tap - gets me to the GH/KH 3-4 range
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post #10 of 26 (permalink) Old 04-27-2016, 08:07 PM
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ph - 8.2
TDS - unknown
GH - 9
KH -19

Straight out of the tap in Whitesboro, TX
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post #11 of 26 (permalink) Old 04-27-2016, 08:21 PM
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PH - 7.5
TDS - 55

GH - 3

Kh - 3

My red cherry and tangerine tiger shrimps are breeding well in this parameter.
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post #12 of 26 (permalink) Old 04-28-2016, 02:41 AM
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pH: 8.2
TDS: 350ish
KH: 11 degrees
GH: ?


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post #13 of 26 (permalink) Old 04-28-2016, 03:33 AM
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I get water from the Contra Costa Water District. I have included test results from some friends' taps, too.
Water is from the Delta, mostly snow melt, but passes through the Sacramento Valley- LOTS of agriculture.

I do not test very often, but over the years it has been just about the same every time I test.

TDS = 280-300
NO3 = 0 ppm
NO2 = 0 ppm
GH and KH 4-5 German degrees of hardness
pH is usually in the upper 7s, I have measured it into the low 8s. This is from sodium hydroxide (I called the water company and asked).
Chloramine makes it test 1 ppm each chlorine and ammonia. I usually cannot smell the chlorine- used to be it smelled like a swimming pool (when they were using chlorine).
In late summer/fall, before the rains start, the water from the bay creeps up into the area where one of the intake pipes are, and I sometimes think I can taste salt. Maybe I am just imagining it.

City of Martinez buys water from Contra Costa Water District, and does something to it. A friend has tested the pH as 9, once, and often in the mid 8s. All other parameters the same.

Brentwood (farming community farther east of me), well.
GH and KH- I got tired of adding drops at 20, so GH and KH are very high.
NO3 20 ppm (farm run off, or seeping into the water table)

East Bay Municipal Utility District gets its water from the Sierras (granite rock) and has very soft water. GH and KH about 1 degree.
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post #14 of 26 (permalink) Old 04-28-2016, 03:41 AM
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Quote:
Originally Posted by Hoppy View Post
Water companies add chemicals to keep the pH well above 7 in the plumbing. Flint ran into their problems when the water company didn't do that. Low pH water dissolves lead and copper - very slowly, but enough to give you a high content of those metals in the water. The chemicals they add can vary, but I believe lye is one that is commonly used. A pH of 9.4 makes me think they are overdoing the chemical addition, by quite a bit!
They also add a phosphate compound that forms a protective layer on metal pipes preventing it from corrosion.

Bump:
Quote:
Originally Posted by Lonestarbandit View Post
Scary. So Glad I am on country well water!!
Aren't there issues with ground water as well?


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post #15 of 26 (permalink) Old 04-29-2016, 12:21 AM
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Amazed at the variety of readings listed. Was worried my 197 tds tap was way too high - guess not. Kinda shocked at some of the various pH readings and KH readings. Starting to understand the importance of SLOWLY letting new fish adjust to "your" water if you are getting the fish from outside the local area. Thank you OP for starting this thread!


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