Brita water filters... - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 12-03-2006, 10:05 PM Thread Starter
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Brita water filters...

Hi,

I had this brialliant idea and when I was in town I took a look at water filters and got one of the brita pitcher filters.

It says on the box that it eliminates 88-98% of copper among other things.

Great I thought, I can get one of those and because one filter is good for 40gals of water and I am only replacing 2gals/week on my 20gal shrimp tank, the cost is negligeble.

So I took one.
It is slow filtering the water, I can live with that.
My problem is the PH.
My water well coming out of the tap is 7.8.
The filter changes it to 6.6.
The kh hardness out of the tap is 170
Out of the filter it is 50
Gh out of the tap is > 200
Out of the filter <20.

My tank right now has water well unfiltered in it.
Before I put the filtered water in it, I want to know your opinions about this.

What should I do?
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post #2 of 8 (permalink) Old 12-03-2006, 10:49 PM
 
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Post this in the "water parameters" section...
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post #3 of 8 (permalink) Old 12-04-2006, 12:01 AM Thread Starter
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Brita water filters...

Hi,

I had this brialliant idea and when I was in town I took a look at water filters and got one of the brita pitcher filters.

It says on the box that it eliminates 88-98% of copper among other things.

Great I thought, I can get one of those and because one filter is good for 40gals of water and I am only replacing 2gals/week on my 20gal shrimp tank, the cost is negligeble.

So I took one.
It is slow filtering the water, I can live with that.
My problem is the PH.
My water well coming out of the tap is 7.8.
The filter changes it to 6.6.
The kh hardness out of the tap is 170
Out of the filter it is 50
Gh out of the tap is > 200
Out of the filter <20.

My tank right now has water well unfiltered in it.
Before I put the filtered water in it, I want to know your opinions about this.

What should I do?
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post #4 of 8 (permalink) Old 12-04-2006, 12:20 AM
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Water parameters depend on what type of shrimp you are keeping.
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post #5 of 8 (permalink) Old 12-09-2006, 09:23 AM
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I have VERY hard water in my tanks, should I use my brita pitcher to filter the water before I add it?

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post #6 of 8 (permalink) Old 12-09-2006, 09:44 AM
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Test the hardness before. Filter the water, test it again.

See if it changes. The activated carbon in the filter won't last that long under continuous use.
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post #7 of 8 (permalink) Old 12-10-2006, 08:44 AM
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Thanks epic, you seem to try to help me every time I post. That's very kind of you, and VERY helpful.

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post #8 of 8 (permalink) Old 12-11-2006, 08:38 PM Thread Starter
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From my experience fish dont seem to be too concerned about the water I put in the tank, but it is a 75gal.

On my shrimp tank, it is a different story, it is a 20gal tank, and I was having major deaths regularly.
I am using a Brita pitcher filter because it also eliminates copper.

I only change roughly 2 gallons of water every week.
I figured that each filter will last for 40weeks, which is very reasonable to me.

The water coming out of the filter shows a ph of 6.4, gh 40 and kh40.
Using epsom salts I increase the gh to 100 and using baking soda I increase the ph to 7.2, but unfortunately KH goes sky high to 240 (which is basically what comes out of my tap water, only difference being that ph is @ 7.8.

I dont know how to get to a ph of 7.2 and have kh down to a more reasonable level (100-150)?

So basically I am replacing 2gallons of water every week, and already I've noticed less deaths.
And because the water is being repalced gradually it doesnt affect the shrimp.

My hope is that the shrimp will strive better in a lower ph, lower gh and somewhat high kh.
Oh yeah and no copper too.
(That was the goal of getting the brita filter).
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