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Seachem Seachem Alkaline Buffer
Seachem [11442-503296]

Seachem Alkaline Buffer

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Seachem Alkaline Buffer raises the pH and alkalinity (KH) of your aquarium water, and holds it steady between 7.2 and 8.5 - an ideal range for most freshwater environments. Alkaline Buffer is safe, gentle, and phosphate-free to reduce the risk of algae or cloudiness.

  • Raises pH & increases alkalinity
  • Buffers pH between 7.2 and 8.5
  • Great for planted aquariums or very hard water


Seachem Alkaline Buffer is a sodium bicarbonate-based buffer. This makes it slightly less stable than phosphate buffers, but better suited for planted aquariums where adding more phosphates would lead to an algae problem.

Directions: To increase pH, use 1 teaspoon (7g) for every 80 L (20 gallons) daily until desired pH is reached (this dose raises alkalinity by about 1 meq/L (2.8 dKH)). For precise dosing, use the Seachem Digital Spoon Scale. In order to adjust pH gradually, use Alkaline Buffer with Acid Buffer.

Price:$6.62 to $19.49
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10.5 oz - 300 Grams - (Treats 860 Gallons)
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Status:In Stock
Model:236
UPC:000116023603
Sku: SC02360
Id: 519876

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1.3 lbs - 600 Grams - (Treats 1,720 Gallons)
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Model:233
UPC:000116023306
Sku: SC02330
Id: 610552

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2.6 lbs - 1,200 Grams - (Treats 3,440 Gallons)
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Model:237
UPC:000116023702
Sku: SC02370
Id: 610555

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