alkalinity

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CLOROX Pool&Spa Alkalinity Increaser, Keeps pH Balanced, 5LB from $9.99 ($0.12 / Ounce)	In The Swim Alkalinity Increaser for Swimming Pools - Raises Alkalinity and Balances pH Levels in Your Swimming Pool Water - 100% Sodium Bicarbonate - 25 Pounds from $44.99 ($0.11 / Ounce)
SpaGuard Spa Total Alkalinity - 2 Lb $13.51 ($0.42 / Ounce) from $12.99 ($0.41 / Ounce)	CLOROX Pool&Spa Alkalinity Increaser, Keeps pH Balanced, 16LB from $29.98 ($0.12 / Ounce)
Pool Mate 1-2257 Alkalinity Increaser for Swimming Pools, 25-Pounds $44.29 ($0.11 / Ounce) from $37.65 ($0.09 / Ounce)	Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs. 81292 from $59.99 ($0.07 / Ounce)
SpaChoice 472-3-4021-02 Alkalinity Increaser for Hot Tub, 2-Pounds, 2-Pack $25.25 ($0.39 / Ounce) from $20.66 ($0.32 / Ounce)	Red Sea Aqcult 306168 1 LTR Reefer Foundation B Alkalin from $26.50
SpaChoice 472-3-4021 Alkalinity Increaser for Hot Tub, 2-Pounds $15.95 ($0.50 / Ounce) from $11.39 ($0.36 / Ounce)	HTH 67060 Swimming Pool Care Alkalinity Up, Raises Alkalinity, Swimming Pool Chemical Stabilizes pH Fluctuation, 5 Lbs $12.52 ($0.16 / Ounce) from $12.50 ($0.16 / Ounce)