SpaGuard Spa Total Alkalinity - 2 Lb
$14.25 ($0.45 / Ounce)
from $12.29 ($0.38 / Ounce)
CLOROX Pool&Spa Alkalinity Increaser, Keeps pH Balanced, 5LB
from $9.99 ($0.12 / Ounce)
CLOROX Pool&Spa Alkalinity Increaser, Keeps pH Balanced, 16LB
$29.98 ($0.12 / Ounce)
from $24.24 ($0.09 / Ounce)
Pool Day 10LB Alkalinity Increaser - Increase Total Alkalinity in All Pools and Spas - 100% Sodium Bicarbonate
from $14.99 ($0.09 / Fl Oz)
SpaChoice 472-3-4021 Alkalinity Increaser for Hot Tub, 2-Pounds
$14.45 ($0.45 / Ounce)
from $10.43 ($0.33 / Ounce)
HTH Spa 86131 Alkalinity up, Spa & Hot Tub Chemical Raises Alkalinity, Stabilizes pH Fluctuation, 1.25 lbs
from $8.55 ($0.43 / Ounce)
Poolife Alkalinity Plus (10 lb)
from $19.99 ($0.12 / Fl Oz)
Brightwell Aquatics pH+, pH Increaser for All Marine and Freshwater Aquariums - 500 ml
$16.13
from $11.81
SpaPure Alkalinity Increaser (1 lb) (2 Pack)
from $18.99 ($0.59 / Ounce)
Fluval Sea Alkalinity for Aquarium, 8-Ounce
from $3.79
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