"Sodium bicarbonate is used to raise the alkalinity and the pH (when conditions are right) of fish-raising water. Recirculating aquaculture systems typically require weekly or bi-weekly additions.
Proline sodium bicarbonate is FCC food-grade, complying with National Science Foundation Standard 60. It is powdered to dissolve quickly and completely.
To increase total alkalinity 10 ppm in 1,000 gallons of water requires .15 lb. Sold in plastic buckets with resealable lids. Made in USA.
Jar of 40 lbs."