Aquarium pH & Alkalinity Tests
Aquarium pH & Alkalinity Tests Products

Best Seller
API API Freshwater Master Test Kit
$24.59 - $70.08
- $140.99
- Save $71 (50%)

Best Seller
Tetra Tetra Easystrips 6-in-1 Aquarium Test Strips
$9.71 - $71.47
- $142.99
- Save $72 (50%)

Best Seller
API API 5 in 1 Aquarium Test Strips
$5.79 - $147.00
- $294.99
- Save $148 (50%)

API API pH Test Kit for Freshwater Aquariums
$6.59 - $18.78
- $33.99
- Save $15 (45%)

Clearance
Seachem Seachem pH Alert Sensor for Freshwater
$7.35 - $20.95
- $35.99
- Save $15 (42%)

Clearance
Seachem Seachem One Year Combo Alert
$14.29 - $81.45
- $154.99
- Save $74 (47%)

Best Seller
Seachem Seachem Alert Series Alert Combo
$9.54 - $54.38
- $102.99
- Save $49 (47%)

Best Seller
API API Marine Saltwater Master Test Kit
$24.59 - $70.08
- $140.99
- Save $71 (50%)

API API High Range pH Test Kit for Fresh and Saltwater Aquariums
$7.59 - $21.63
- $38.99
- Save $17 (45%)

API API pH Test and Adjuster Kit for Freshwater Aquariums
$10.99 - $31.32
- $56.99
- Save $26 (45%)

API API pH Aquarium Test Strips for Fresh and Saltwater Aquariums
$10.59 - $30.18
- $54.99
- Save $25 (45%)

Best Seller
Tetra Tetra EasyStrips Aquarium Tests Ammonia and 6-in-1 Strips
$17.99 - $51.19
- $102.99
- Save $52 (50%)