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Old 11-19-2012, 03:18 PM   #1
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what salt brand do you use Pro's/Con's

I currently use instant ocean reef crystals
and I find my ph fluctuating up and down a lot
it bounces around a lot from 7.6 to 7.9
and its affecting my coral

I do weekly water changes
I really want to avoid using additives since they always add more issues

is there a salt brand that will maintain a stable ph level
I would like to maintain a ph of 8.2/8.4

what brand salt do you use and what are your ph levels

I live in the mountains with a altitude of 9800 feet I dont know if maybe that is what is affecting my levels
thanks for the help
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Old 11-19-2012, 04:06 PM   #2
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I use tropic Marin pro reef and have never had a problem ! I do dose iodine daily as well !
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Old 11-19-2012, 04:38 PM   #3
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Quote:
Originally Posted by 54seaweed
I currently use instant ocean reef crystals
and I find my ph fluctuating up and down a lot
it bounces around a lot from 7.6 to 7.9
and its affecting my coral

I do weekly water changes
I really want to avoid using additives since they always add more issues

is there a salt brand that will maintain a stable ph level
I would like to maintain a ph of 8.2/8.4

what brand salt do you use and what are your ph levels

I live in the mountains with a altitude of 9800 feet I dont know if maybe that is what is affecting my levels
thanks for the help
How long do you mix your water for
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Old 11-19-2012, 04:41 PM   #4
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Old 11-19-2012, 05:22 PM   #5
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What time of day are you testing? Run your test around the same time each day, as the pH can easily fluctuate that much just between morning & evening.
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Old 11-19-2012, 06:16 PM   #6
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6 pm everyday I'm like clock work
I checked it this morn at 10am thinking it may change and it was 7.6
lights were on almost 2 hrs before
pet shop said it has to do with the altitude I'm at 9800 ft above sea level
I want to get this stabilized before I lose over a $1000. in coral
I need to get this up to at least 8.2
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Old 11-19-2012, 06:45 PM   #7
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7.6 won't kill anything at this point. But big swings will. Be sure your PH tester is accurate. Try directing power heads to the surface and use a fan to promote better gas exchange. You can test this idea by taking a glass of tank water, measure it's PH, then use a air pump and stone to aerate the water for an hour, then retest the PH. If it has gone up, your problem is retaining too much C02 in the water. The additional choice is to measure Alkalinity, if it is low, then add a solution of soda ash (sodium carbonate) as that will both build up alkalinity (reducing ph swings in the process) and raise PH. Just do it over a couple of days or a week. Or use a Alkalinity buffer that is premixed. But most of those store bought buffers use sodium bicarbonate (baking soda that has been prepared) to reduce raising ph.

A build up of detritus, or dead things hidden, will also reduce PH and make the tank more acidic. Since you are at altitude, the water will not hold as much dissolved gas as it does at sea level, that is both oxygen and C02.

Many folks use a refugium or algae scrubber running at off hours to the display tank to reduce the swing lights on and off create.
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Old 11-19-2012, 11:10 PM   #8
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Quote:
Originally Posted by Gregcoyote
7.6 won't kill anything at this point. But big swings will. Be sure your PH tester is accurate. Try directing power heads to the surface and use a fan to promote better gas exchange. You can test this idea by taking a glass of tank water, measure it's PH, then use a air pump and stone to aerate the water for an hour, then retest the PH. If it has gone up, your problem is retaining too much C02 in the water. The additional choice is to measure Alkalinity, if it is low, then add a solution of soda ash (sodium carbonate) as that will both build up alkalinity (reducing ph swings in the process) and raise PH. Just do it over a couple of days or a week. Or use a Alkalinity buffer that is premixed. But most of those store bought buffers use sodium bicarbonate (baking soda that has been prepared) to reduce raising ph.

A build up of detritus, or dead things hidden, will also reduce PH and make the tank more acidic. Since you are at altitude, the water will not hold as much dissolved gas as it does at sea level, that is both oxygen and C02.

Many folks use a refugium or algae scrubber running at off hours to the display tank to reduce the swing lights on and off create.
+1 agreed. Also, how long are your lights on? I saw you said yours were on 2 hours prior to a 10 am test. My lights are on at 2 pm and off at 10 pm. Do you test for calcium and alkalinity? I test for them and then dose with B-Ionics two part system. As long as you have good gas exchange, keeping the alkalinity up will help to stabilize pH (since pH and alkalinity are directly related).
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Old 11-19-2012, 11:44 PM   #9
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I've used both instant ocean and reef crystals and never had a problem.
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Old 11-19-2012, 11:59 PM   #10
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I use instant ocean and when it gets under 8.0 I add a little Kent buffer, brings it back up and seems to hold it.
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