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Original In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 Lbs. Bonkers Deal: 45% Off [zeBiSwc5]

$27.99 $89.99 -69%

Use when total alk. drops below 80 ppm. Keeps your pH and Chlorine from becoming unstable Granular form, easier to apply into your water Compatible with pool, spa, and hot tub Dosage: 1-1/2 pounds per 10,000 gallons will raise the alk. level by appr

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Original In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 Lbs. Bonkers Deal: 45% Off [zeBiSwc5]

  • Use when total alk. drops below 80 ppm.
  • Keeps your pH and Chlorine from becoming unstable Granular form, easier to apply into your water
  • Compatible with pool, spa, and hot tub
  • Dosage: 1-1/2 pounds per 10,000 gallons will raise the alk. level by approximately 10 ppm
  • Retest water after every dosage added, you can swim after 4 hours of circulation 50 lb bag.

What Our Customers Say

January 24, 2026

Absolutely no complaints!

The precision engineering is evident.

- Alex Johnson.

January 24, 2026

Absolutely no complaints!

The product's performance is simply stellar.

- Jace Barnes.

January 24, 2026

Absolutely no complaints!

It has a very solid, reassuring feel in the hand.

- Amy Davis.

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