All 10 listings, cheapest per fl oz first
| Item | Size | Price | Per fl oz | |
|---|---|---|---|---|
| API TAP Water Conditioner Aquarium Water Conditioner 1-Gallon Bottle | 128 fl oz | $40.58 | $0.32 | Amazon → |
| Fluval AquaPlus Water Conditioner, Aquarium Water Treatment, 0.5 Gal, White | 64 fl oz | $31.30 | $0.49 | Amazon → |
| API STRESS COAT Aquarium Water Conditioner 64-Ounce Bottle | 64 fl oz | $37.58 | $0.59 | Amazon → |
| Tetra AquaSafe Plus Water Conditioner & Dechlorinator For Aquarium, 33.8 oz | 33.8 fl oz | $22.29 | $0.66 | Amazon → |
| Seachem Prime Water Conditioner, 2 Liter | 67.63 fl oz | $47.76 | $0.71 | Amazon → |
| Aqueon Fish Tank Water Conditioner Bottle, 16 Oz | 16 fl oz | $11.49 | $0.72 | Amazon → |
| Seachem 437 Prime Fresh and Saltwater Conditioner - Chemical Remover and Detoxifier 1 L | 33.81 fl oz | $33.05 | $0.98 | Amazon → |
| TankFirst Complete Aquarium Water Conditioner - Fish Water Conditioner, Instantly Removes Chlorine, | 16.91 fl oz | $16.99 | $1.00 | Amazon → |
| Natural Rapport Aquarium Water Conditioner, All-in-1 Dechlorinator, 16 oz | 16 fl oz | $16.95 | $1.06 | Amazon → |
| Fritz Aquatics Fritz Complete Water Conditioner/Dechlorinator Instantly Removes Chlorine & Chloramin | 16 fl oz | $19.99 | $1.25 | Amazon → |
Prices as of 2026-10-24 21:34:43 UTC: Amazon item price (Amazon's own, else its lowest new offer) before shipping and tax, via Keepa. Size comes from Amazon's unit count or the listing title; check the listing before buying. Product prices and availability are accurate as of the date/time indicated and are subject to change. As an Amazon Associate, Sharpest earns from qualifying purchases.
More pets
- Bully sticks $2.16/stick
- Cat treats $0.37/oz
- Clumping cat litter $0.04/oz
- Dog dental chews, large $0.30/chew
- Dog poop bags $0.02/bag
- Dog shampoo $0.27/fl oz
- Dog training treats $0.55/oz
- Dry cat food $0.06/oz
- Dry dog food $0.06/oz
- Greenies dental treats $0.28/treat
- Milk-Bone Mini's dog treats $0.27/oz
- Non-clumping cat litter $0.06/oz