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Aquarium Test Kits & Water Quality Testers
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API® Freshwater Aquarium Master Test Kit
Discounted Price $35.98 Old Price $39.99(127)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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Tetra® 6 N 1 Aquarium Water Test Strips
Discounted Price $9.79 Old Price $27.99(27)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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3 Sizes
API® 5 in 1 Aquarium Test Strips
Discounted Price $6.98 - 24.99 Old Price $9.99 - 24.99(57)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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Seachem® Alert Combo™ Aquarium pH & Ammonia Detector
Discounted Price $15.79 Old Price $18.99(31)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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API® Freshwater Aquarium Mini pH Test Kit
Old Price $7.99(6)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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Top Fin® 5-in-1 Water Test Strips
Old Price $16.99(41)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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API® POND 5 IN 1 Pond Water Test Strips
Discounted Price $14.98 Old Price $19.99(2)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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API® Pond Master Test Kit
Discounted Price $34.98 Old Price $49.99(2)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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API® Reef Aquarium Water Test Kit
Discounted Price $35.99 Old Price $49.99(0)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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Top Fin® Freshwater Aquarium Master Test Kit
Discounted Price $14.07 Old Price $37.99(31)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
Free Same-Day Delivery!
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API® GH & KH Freshwater Aquarium Test Kit
Old Price $11.99(1)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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Fluval Master Test Kit
Discounted Price $21.47 Old Price $42.99(0)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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API® Phosphate Test Kit
Old Price $14.99(0)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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Tetra® Quick Dip Aquarium Water Test Kit
Discounted Price $8.39 Old Price $18.99(46)SAVE 35% on your first Autoship order plus earn 4K Treats points ($8 back in savings)
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