EI method with my really hard water - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 02-15-2006, 05:16 AM Thread Starter
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EI method with my really hard water

I want to star this EI dosing method, but I dunno if my water is goof for it.

Tap it is around 8 ph, and in my tank with my diyco2 system it is around 7.2.

If the EI method requires doing a WC of 50%, won't my ph be swinging to much and hurt my fish and even plants?
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post #2 of 5 (permalink) Old 02-15-2006, 04:42 PM
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A lot of people are using the EI method, with 50% water changes weekly. Note the poll going now. So, that tells me that the PH swings we all get when we change water can't be too harmful.

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post #3 of 5 (permalink) Old 02-15-2006, 05:24 PM
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I've done as have many folks with wild discus, full 80% water changes weekly and sometimes 2x a week and had pH drops of 1 full unit, no issues ever.

Regards,
Tom Barr



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post #4 of 5 (permalink) Old 02-15-2006, 05:41 PM Thread Starter
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hmm very interesting.

Always seems like there are people who think that a changing ph is bad.

Sounds good though.
Just for my knowledge, how long do you think it takes for the ph to drop back down after a waterchange? Just so I don't measure co2 right after a waterchange if I ever need to
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post #5 of 5 (permalink) Old 02-15-2006, 05:57 PM
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I never tested after a water change but it takes me about 45 minutes to an hour to get my co2 up to 30 ppm in the morning. That`s drop of about 1 point in my tank.
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