PH changes with local water supply? - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 04-18-2018, 02:33 PM Thread Starter
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PH changes with local water supply?

Anyone else have issues with their local water supply PH rising?

I could have swore to god that when I tested my PH out of the tap back in the Fall it was around 7PH-but over the past few months its been around 7.5

I have city water coming out of a reservoir about a mile from my house.
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post #2 of 7 (permalink) Old 04-18-2018, 03:36 PM
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Quote:
Originally Posted by Sherminator View Post
Anyone else have issues with their local water supply PH rising?

I could have swore to god that when I tested my PH out of the tap back in the Fall it was around 7PH-but over the past few months its been around 7.5

I have city water coming out of a reservoir about a mile from my house.
Hi Sherminator,

Were both of the readings taken either immediately after drawing the water from the tap or after the water had de-gassed for 24 hours? It is not uncommon for water supply parameters to vary depending upon the time of year (low water levels in fall; high water levels after winter rain & snow melt in spring) as well as the amount of chemicals the utility adds to the water to control bacteria.

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post #3 of 7 (permalink) Old 04-18-2018, 03:43 PM Thread Starter
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I checked it after letting the tap run for 30 seconds or so-I normally use RO water, but my 40 gallon makes that unpractical, so I use a python water changing system instead.
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post #4 of 7 (permalink) Old 04-18-2018, 03:58 PM
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In my town, the KH is really low in winter but in summer, its around 6. That's what got me into RO for my 57 gallon. Fortunately, I have an unused shower stall in the basement so I placed my RO unit and Brut trash can in there.
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post #5 of 7 (permalink) Old 04-18-2018, 04:12 PM
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Due to the crisis in Flint, Mi and as we become more and more prone to overcrowding and the resulting pollution, water suppliers are currently ramping up some of the "standard" practices. It has long been known that aging pipes and a comb of other things had potential for problems but there was no real driving force and public opinion to force the expense of changes.
The result is that we now have to deal not only with the natural changes due to seasons and weather but also the much more aggressive drive to correct some of the things we have known about for a long time. Surface water from lakes has always been much more prone to wide swings than underground but now we are seeing far more effort to slow down the corrosions and leaching.
The ideal might be to replace the aging systems and stop polluting the earth but I'm not holding my breath on that one!
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post #6 of 7 (permalink) Old 04-18-2018, 07:49 PM
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Weather, seasonal changes, snow melt, switching pump stations for repairs... I wouldn't bat an eye at a .5 pH change
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post #7 of 7 (permalink) Old 04-18-2018, 08:20 PM
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Quote:
Originally Posted by kozlany View Post
Weather, seasonal changes, snow melt, switching pump stations for repairs... I wouldn't bat an eye at a .5 pH change
This is a definite idea that we often miss. Water suppliers often have more than one source for the water and there are times when where your water comes from will change a lot. One situation is when you are dealing with surface water which is cheap. St. Louis is an area where things can change a lot as the Missouri and Mississippi Rivers flood. The river water is cheap but during floods, the source pump stations may be shut down and more expensive underground water may be used.
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