Ph rise after dosing Seachem flourish - The Planted Tank Forum
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post #1 of 8 (permalink) Old 04-09-2017, 04:55 AM Thread Starter
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Ph rise after dosing Seachem flourish

My ph was at 7.3 but after I dosed 1.5ml Seachem flourish the ph went up to 7.5. I didnt dose anything else and I didnt add any equipment into the tank. I am wondering it caused by the Seachem flourish???
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post #2 of 8 (permalink) Old 04-09-2017, 01:28 PM
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How big is your tank? Did you dose the recommended amount?

Was this after a water change? Did your source water stay consistent?
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post #3 of 8 (permalink) Old 04-09-2017, 09:37 PM Thread Starter
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Originally Posted by longgonedaddy View Post
How big is your tank? Did you dose the recommended amount?

Was this after a water change? Did your source water stay consistent?
Mine is a 30G tank and I just dosed only 1.5ml. The recommonded dose is 5ml for 60g. I am using ro water to bring down the ph for my dwarf cichilds for couple of weeks now so it should have nothing to rise the ph. I never have ph rise problem after using ro water until I dosed 1.5ml flourish.
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post #4 of 8 (permalink) Old 04-09-2017, 10:28 PM
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Did you test immediately before and after dosing flourish?

If you're using RO water, why is your pH over 7?


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post #5 of 8 (permalink) Old 04-09-2017, 10:30 PM
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I'd say the difference has nothing to do with the PH of your water. Instead, the variance of the test. The tests we use can be rather inaccurate based on many factors. When dealing with the results of these tests expect a larger than normal variance. 0.2 is actually insignificant in the whole scheme of things.
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post #6 of 8 (permalink) Old 04-10-2017, 02:36 AM Thread Starter
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The ph of my ro water is 6. One and a half week ago the ph of my tank is 7.7 then I keep doing water change with the ro water so it bought down to 7.3 now but after couple of hours I dosed flourish and I tested the ph and it is 7.6. I tested the ph three hours before the dosage and it is still 7.3
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post #7 of 8 (permalink) Old 04-10-2017, 02:51 AM
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Quote:
Originally Posted by Cookie_discus View Post
The ph of my ro water is 6. One and a half week ago the ph of my tank is 7.7 then I keep doing water change with the ro water so it bought down to 7.3 now but after couple of hours I dosed flourish and I tested the ph and it is 7.6. I tested the ph three hours before the dosage and it is still 7.3


When I use to use Flourish it never made my ph rise. There could be other factors. Like water agitation. Air stones? Water movement?


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post #8 of 8 (permalink) Old 04-10-2017, 04:42 PM
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Originally Posted by Zorfox View Post
I'd say the difference has nothing to do with the PH of your water. Instead, the variance of the test. The tests we use can be rather inaccurate based on many factors. When dealing with the results of these tests expect a larger than normal variance. 0.2 is actually insignificant in the whole scheme of things.
this

your situation is totally inconsequential. don't even worry about it


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