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Old 09-08-2013, 05:59 AM   #1
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GH and PH

Hi what should these reading be and how can you lower them thanks all
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Old 09-08-2013, 03:36 PM   #2
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GH also KH 7-10 (alkalinity125.3-179.1ppm)
pH 8.1-8.4
What are they at
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Old 09-08-2013, 05:06 PM   #3
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Ph is 7.8 on the Red Sea test for kh I added 3 drops witch changed it to overdose so maybe 2.5 drops at 0.36 meq/L what does this mean thanks
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Old 09-08-2013, 05:07 PM   #4
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Sum makes it 0.9 but 0.9 what
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Old 09-08-2013, 06:12 PM   #5
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Look on you tube to see if you are doing your test correctly?
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Old 09-08-2013, 06:57 PM   #6
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The test has been done correctly its a Red Sea test kit
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Old 09-10-2013, 03:10 PM   #7
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Most titration test kits (colour change versus colourization) that use a eye dropper style dispenser (this does NOT incluse the Red Sea Pro), give a rate of 0.5 meq/l or else 1 dKH. If yours is 0.36 meq/l that is 1 dKH. So your test would be giving a result of 2.5 to 3 dKH which is VERY low. Freshwater low! Even a non-reef salt would give a much higher alkalanity. Something IS wrong.

Conversion BTW is 2.8 dKH to 1 Meq/l. So multiply your result by 2.8.
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Old 09-12-2013, 12:21 AM   #8
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Correct me if I'm wrong but GH (general hardness) is used in FW tanks only. SW aquariums use KH (carbonate hardness).
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Old 09-12-2013, 06:29 AM   #9
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Quote:
Originally Posted by Pschmitt View Post
Correct me if I'm wrong but GH (general hardness) is used in FW tanks only. SW aquariums use KH (carbonate hardness).
Your right, you don't test for GH in SW, just your KH which is your alkalinity.
But you do test for both in a FW.
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Old 09-12-2013, 08:17 AM   #10
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Sounds like something is amiss - very low kh and ph. Tell us more about your set up?
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