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post #1 of 4 (permalink) Old 02-19-2018, 03:35 AM Thread Starter
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Need Help to make Excel

I can;t remember how many cup of Metricide to distilled water to make a 1/2 gallon.
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post #2 of 4 (permalink) Old 02-19-2018, 03:49 AM
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Hi Kareen,

About 4-3/4 cups Metricide plus 3-1/4 cups water = half a gallon of 1.5% concentration (do not use the activator)

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75 Gallon, 2X55W AH Supply CF 8800K, 1X 59W Fluval Plant (3.0); 45 Gallon Tall, 1X 46W Fluval Plant (3.0); 30 Gallon Long; Fluval F&P 2.0; 20 Gallon, 1X26W AH Supply LED; all with CO2 & (Calcined) Montmorillonite Clay
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post #3 of 4 (permalink) Old 02-19-2018, 11:52 AM
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It also matters which Metricide you got . If I remember correctly the number after it denotes concentration, which would change the dilution formula.

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post #4 of 4 (permalink) Old 02-19-2018, 04:22 PM
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Hi @fermentedhiker,

You are correct; Metricide 28 is 2.5% glutaraldehyde and Metricide 14 is 2.6% glutaraldehyde.... however when it comes to mixing to a 1.5% solution the difference is negligible.

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75 Gallon, 2X55W AH Supply CF 8800K, 1X 59W Fluval Plant (3.0); 45 Gallon Tall, 1X 46W Fluval Plant (3.0); 30 Gallon Long; Fluval F&P 2.0; 20 Gallon, 1X26W AH Supply LED; all with CO2 & (Calcined) Montmorillonite Clay
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