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Water Quality Testers
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API® Freshwater Aquarium Master Test Kit
Discounted Price $24.59 Old Price $35.99$23.365% off Auto Ship
Buy 1, Get the 2nd 50% off All API Fresh, Marine, & Pond Water Care
Save 30% On Your First Autoship Order!
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Tetra® 6 N 1 Aquarium Water Test Strips
Discounted Price $13.99 Old Price $29.99$13.295% off Auto Ship
Save 30% On Your First Autoship Order!
Free Same-Day Delivery!
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2 Sizes
API® 5 in 1 Aquarium Test Strips
Discounted Price $5.79 - 10.59 Old Price $18.99 - 26.60$5.50 - 10.065% off Auto Ship
Buy 1, Get the 2nd 50% off All API Fresh, Marine, & Pond Water Care
Save 30% On Your First Autoship Order!
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API® Aquarium Ammonia Test Strips
Discounted Price $14.29 Old Price $17.99$13.585% off Auto Ship
Buy 1, Get the 2nd 50% off All API Fresh, Marine, & Pond Water Care
Save 30% On Your First Autoship Order!
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API® Pond Master Test Kit
Discounted Price $23.99 Old Price $37.99$22.795% off Auto Ship
Buy 1, Get the 2nd 50% off All API Fresh, Marine, & Pond Water Care
Save 30% On Your First Autoship Order!
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Seachem® Alert Combo™ Aquarium pH & Ammonia Detector
Discounted Price $9.99 Old Price $16.99$9.495% off Auto Ship
Save 5% On Your First Autoship Order
Free Same-Day Delivery!
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API® Aquarium Ammonia Test Kit
Discounted Price $12.99 Old Price $15.49$12.345% off Auto Ship
Buy 1, Get the 2nd 50% off All API Fresh, Marine, & Pond Water Care
Save 30% On Your First Autoship Order!
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Tetra® Quick Dip Aquarium Water Test Kit
Discounted Price $5.79 Old Price $17.49$5.505% off Auto Ship
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Fluval® Aquarium CO2 Indicator Set
Discounted Price $10.99 Old Price $14.99
Free Same-Day Delivery!
Sign In & Enjoy Free Shipping Over $49
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API® Perfect Start
Discounted Price $12.29 Old Price $17.49$11.685% off Auto Ship
Buy 1, Get the 2nd 50% off All API Fresh, Marine, & Pond Water Care
Save 30% On Your First Autoship Order!
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API® Freshwater Aquarium Mini pH Test Kit
Discounted Price $6.59 Old Price $7.59$6.265% off Auto Ship
Buy 1, Get the 2nd 50% off All API Fresh, Marine, & Pond Water Care
Sign In & Enjoy Free Shipping Over $49
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API® POND 5 IN 1 Pond Water Test Strips
Discounted Price $13.99 Old Price $18.14$13.295% off Auto Ship
Buy 1, Get the 2nd 50% off All API Fresh, Marine, & Pond Water Care
Save 30% On Your First Autoship Order!
