Low Alkalinity
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Old 04-05-2013, 06:30 PM   #1
Algae Grower
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Low Alkalinity


My tank is a freshwater 29-gallon with a closed top, a light that stays on for approximately 8 hours a day, two underwater plants, a small cluster of red root floater plants, five harlequin rasboras, and a plecostomus that's only a few inches long.

Just did a water parameter test: all parameters are perfect (even pH) except for alkalinity, which is showing up pretty low. What can I do to adjust the alkalinity and bring it up a bit? (The only advice I'm finding online always correlates an alkalinity problem with pH, but the pH in my tank is perfectly fine!)

Additional note: the tank has been up and running for two years.

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Old 04-05-2013, 09:03 PM   #2
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What is your kH at?

Describing water parameters as "perfect" or "pretty low" is very vague; generally, hard numbers are much more helpful when trying to troubleshoot.

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alkalinity, water parameters

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