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Old 09/29/2007, 01:05 AM
RedSoxReefer RedSoxReefer is offline
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Join Date: Dec 2004
Location: Providence, RI
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Alkalinity level

My alkalinity is at 88 ppm, what is the safe range, what is the ideal numbers that I should be shooting for and what are the effects of the low reading? Also, what types of buffers are the best to use to raise it up?

thanks, dan
Old 09/29/2007, 01:23 AM
Billybeau1 Billybeau1 is offline
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Join Date: Jul 2005
Location: Dyer, Indiana
Posts: 6,369
Good old Arm and Hammer baking soda dissolved in fresh water will raise your alkalinity safely.

This calculator tells how much to dose

That said, I would make sure the measurement is correct before making any adjustments.

Here is a table showing the safe range. I would target somewhere in the middle. This allows for test kit noise.
Old 09/29/2007, 01:23 AM
demonsp demonsp is offline
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Location: el paso tx
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What is your PH. ? These 2 are linked. But 7 to 10 dKH is target.
Lance H.
Old 09/29/2007, 06:18 AM
michaeldaly michaeldaly is offline
Join Date: Apr 2005
Location: Earth
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That is very low (4.9 dkh) you need to get it up to at least 7 (125ppm) for a reef tank
Old 09/29/2007, 09:48 AM
WaterKeeper WaterKeeper is offline
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This article has a table of nominal sea water ranges. This is one on Solving Alkalinity Problems.
"Leading the information hungry reefer down the road to starvation"


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