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Old 08-04-2003, 01:18 AM   #1
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ph too high?

1 week ago i started adding b-ionic a two part calcium buffer system. my ph when i started adding was a bit low. it ranged from 8.0 to about 8.3. my lfs said this would help raise it as well as add calcium. i've been adding the recommended dose 1 ml per 4 gallons and now my ph is ranging from 8.25 to 8.5. my ca is at about 420, phosphates are .25, nitrate<5, nitrite and ammonia 0. how do i get my ph to stop fluctuating so much. i know it will during the course of the day but i think mine is a little too dramatic.
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Old 08-04-2003, 10:07 AM   #2
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What times are you testing the PH? Also what time are you adding the b-ionic? I think 8.5 is a tad high, but if your adding the b-ionic in the afternoon or evening I wouldn't be surprised with it. Over the course of the day 8.25-8.5 isn't a bad fluctuation, provided the 8.25 is in the am and the 8.5 is in the pm.
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Old 08-04-2003, 06:44 PM   #3
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well, the first 5 days i added it around noon. then lately i've been doing it at night. except yesterday i did not add because the ph has been slowly creeping higher and higher. i just returned from lfs with a hagen test kit for carbonate hardness and the results were 180!!!! could this be correct? what do i do? my plan is to have coral but i don't feel comfortable with these fluctuations. i was under the impression that most corals like ph between 8.2 and 8.3.
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Old 08-04-2003, 07:03 PM   #4
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What is the CA reading? 180 ppm is 3.6 meq/l, not too high at all. Might be low depending on what the CA is. Try adding it in the am, before the lights come on and if possible wait 15 - 30 minutes between part a and part b.
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Old 08-04-2003, 07:24 PM   #5
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ca is 420. what is the appropriate range for alkalinity in meq/l? what, if anything, should i do to adjust the ph from going high? or will those instructions you just gave me help that?
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Old 08-04-2003, 07:41 PM   #6
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Adding in the am when the PH is low, should keep you from overshooting the ph. I also use a two part (Kent's version) and it specifically says in the instructions to add in the morning to prevent ph overshoot At that CA, your alk appears to be in a good balance
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Old 08-05-2003, 12:01 AM   #7
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awesome! because there are days that i just can't get to it in the a.m. i was considering a dosing pump. what do you think? any suggestions?
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Old 08-05-2003, 12:15 AM   #8
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If your willing to spend the money on a dosing pump, that would get the job done, but they can be a bit expensive. I add mine manually, but I'm sure there is a way to doeone will respond that has dealt with this issue before
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Old 08-05-2003, 12:21 AM   #9
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is there a chart or something with the perameters for the ca-alk readings. i know that ca should be between 400 and 450. what about the alk?
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Old 08-05-2003, 12:27 AM   #10
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http://www.andy-hipkiss.co.uk/caalkcalc.htm

That has a balanced CA and ALK calculator, just plug one number in and it will tell you what a balanced figure is for the other.
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