Skip to main content

Aquarium Freshwater Test Kits

Aquarium Freshwater Test Kits Products

Best Seller
More Choices Available

Tetra Tetra Easystrips 6-in-1 Aquarium Test Strips

$9.49 - $66.50
  • $113.99
  • Save $48 (42%)
FREE shipping over $49
More Choices Available

API API pH Test Kit for Freshwater Aquariums

$5.09 - $14.51
  • $7.99
  • Save $3 (36%)
FREE shipping over $49
Best Seller

API API Ammonia NH3/NH4+ Test Kit

$7.79
  • $10.99
  • Save $3 (29%)
FREE shipping over $49
Best Seller
More Choices Available

API API Freshwater Master Test Kit

$24.99 - $71.22
  • $121.99
  • Save $51 (42%)
FREE shipping over $49
Best Seller

API API Nitrate Test Kit for Fresh & Saltwater Aquariums

$7.99
  • $11.99
  • Save $4 (33%)
FREE shipping over $49
More Choices Available

API API Nitrite Test Kit for Fresh & Saltwater Aquariums

$7.49 - $21.35
  • $34.99
  • Save $14 (39%)
FREE shipping over $49
More Choices Available

API API pH Test & Adjuster Kit for Freshwater Aquariums

$8.29 - $23.63
  • $37.99
  • Save $14 (38%)
FREE shipping over $49
Lower Price in Cart
More Choices Available

Seachem Seachem One Year Combo Alert

$14.29 - $73.82
  • $125.99
  • Save $52 (41%)
FREE shipping over $49

API API Doc Wellfish's Replacement Test Tubes

$21.69
  • $34.99
  • Save $13 (38%)
FREE shipping over $49

Tetra Tetra EasyStrips Ammonia Aquarium Test Strips

$10.65
  • $15.99
  • Save $5 (33%)
FREE shipping over $49
More Choices Available

API API Copper (Cu+) Test Kit for Fresh & Saltwater Aquariums

$8.89 - $25.34
  • $40.99
  • Save $16 (38%)
FREE shipping over $49
Best Seller
More Choices Available

Seachem Seachem Alert Series Alert Combo

$9.26 - $48.39
  • $77.99
  • Save $30 (38%)
FREE shipping over $49
More Choices Available

API API Phosphate Test Kit for Fresh & Saltwater Aquariums

$12.19 - $34.74
  • $55.99
  • Save $21 (38%)
FREE shipping over $49
More Choices Available

API API Ammonia Aquarium Test Strips for Fresh & Saltwater

$13.89 - $39.59
  • $63.99
  • Save $24 (38%)
FREE shipping over $49