Fish Conditioner(290)
Uses item details. Price when purchased online
Fish Pond Water Conditioner - Convert tap water to fish-friendly pond water - AquaDoc Pond Supplies $33.99
Sponsored
$3399
current price $33.99Fish Pond Water Conditioner - Convert tap water to fish-friendly pond water - AquaDoc Pond Supplies
44.8 out of 5 Stars. 4 reviews
Tank Pals: Cletus The Water Conditioning Clam - 1 Pack, Blue - Fish Tank & Aquarium Water Preparation, Chlorine Neutralizer & Heavy Metal Filtration From $12.99
Sponsored
From$1299
Tank Pals: Cletus The Water Conditioning Clam - 1 Pack, Blue - Fish Tank & Aquarium Water Preparation, Chlorine Neutralizer & Heavy Metal Filtration
24 out of 5 Stars. 2 reviews
Tank Pals Clarence the Clarifier Fish Aquarium Water Treatment, Purple From $12.99
Sponsored
From$1299
Tank Pals Clarence the Clarifier Fish Aquarium Water Treatment, Purple
714.3 out of 5 Stars. 71 reviews
Fritz Aquatics 805107 16 oz MaxOut Pro Saltwater $29.39
Sponsored
$2939
current price $29.39Fritz Aquatics 805107 16 oz MaxOut Pro Saltwater
100+ bought since yesterday Tetra AquaSafe Aquarium Water Conditioner, Makes Tap Water Safe, 3.3 oz. From $5.52
3 options
Available in additional 3 optionsFrom$552
Tetra AquaSafe Aquarium Water Conditioner, Makes Tap Water Safe, 3.3 oz.
6024.7 out of 5 Stars. 602 reviews
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Best seller Tetra AquaSafe Fish Tank Aquarium Water Conditioner, 8.45-Ounce From $9.32
4 options
Available in additional 4 optionsFrom$932
Tetra AquaSafe Fish Tank Aquarium Water Conditioner, 8.45-Ounce
5814.8 out of 5 Stars. 581 reviews
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50+ bought since yesterday Tetra BettaSafe Aquarium Water Conditioner for Bettas, 1.69 oz From $5.52
4 options
Available in additional 4 optionsFrom$552
Tetra BettaSafe Aquarium Water Conditioner for Bettas, 1.69 oz
2614.6 out of 5 Stars. 261 reviews
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Best seller Tetra EasyBalance pH and Alkalinity Regulator Aquarium Water Conditioner, 3.38 oz From $6.27
4 options
Available in additional 4 optionsFrom$627
Tetra EasyBalance pH and Alkalinity Regulator Aquarium Water Conditioner, 3.38 oz
2344.1 out of 5 Stars. 234 reviews
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API Stress Coat Water Conditioner & Dechlorinator, 8 fl oz - Makes Tap Water Safe for Freshwater, & Saltwater Aquariums From $10.79
4 options
Available in additional 4 optionsFrom$1079
API Stress Coat Water Conditioner & Dechlorinator, 8 fl oz - Makes Tap Water Safe for Freshwater, & Saltwater Aquariums
2134.8 out of 5 Stars. 213 reviews
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AQUARIAN Stress Barrier From $8.98
3 options
Available in additional 3 optionsFrom$898
AQUARIAN Stress Barrier
444.8 out of 5 Stars. 44 reviews
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API Tap Water Conditioner, Aquarium Water Conditioner, 4 oz $8.09
$809
current price $8.09API Tap Water Conditioner, Aquarium Water Conditioner, 4 oz
914.8 out of 5 Stars. 91 reviews
Aqueon Aquarium Water Conditioner Bottle 16 Fluid Ounces $11.49 Was $13.29 71.8 ¢/fl oz
Now$1149
current price Now $11.49, Was $13.29$13.29
71.8 ¢/fl oz
Aqueon Aquarium Water Conditioner Bottle 16 Fluid Ounces
844.8 out of 5 Stars. 84 reviews
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API TAP WATER CONDITIONER, 16 OZ From $12.98
2 options
Available in additional 2 optionsFrom$1298
API TAP WATER CONDITIONER, 16 OZ
1454.8 out of 5 Stars. 145 reviews
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Tetra AquaSafe, Aquarium Water Conditioner, Makes Tap Water Safe, 3.38 oz. $6.32 73.1 ¢/ea
$632
current price $6.3273.1 ¢/ea
Tetra AquaSafe, Aquarium Water Conditioner, Makes Tap Water Safe, 3.38 oz.
174.5 out of 5 Stars. 17 reviews
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API Betta Water Conditioner, Betta Fish Freshwater Aquarium Water Conditioner, 1.7 oz $6.96 Was $9.26
Now$696
current price Now $6.96, Was $9.26$9.26
API Betta Water Conditioner, Betta Fish Freshwater Aquarium Water Conditioner, 1.7 oz
124.8 out of 5 Stars. 12 reviews
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Tetra EasyBalance pH and Alkalinity Regulator Aquarium Water Conditioner, 8.45 oz From $9.17
4 options
Available in additional 4 optionsFrom$917
Tetra EasyBalance pH and Alkalinity Regulator Aquarium Water Conditioner, 8.45 oz
1494.5 out of 5 Stars. 149 reviews
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Best seller Tetra SafeStart, Cycles Water in Newly Set up Aquariums, 3.38 oz. From $8.42
4 options
Available in additional 4 optionsFrom$842
Tetra SafeStart, Cycles Water in Newly Set up Aquariums, 3.38 oz.
1314.5 out of 5 Stars. 131 reviews
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Best seller Tetra AquaSafe Aquarium Water Conditioner, Makes Tap Water Safe, Treats 500 Gallons,16.9 oz. From $15.57
4 options
Available in additional 4 optionsFrom$1557
Tetra AquaSafe Aquarium Water Conditioner, Makes Tap Water Safe, Treats 500 Gallons,16.9 oz.
4314.8 out of 5 Stars. 431 reviews
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API Aqua Essential All-in-One Concentrated Water Conditioner
3 options
Available in additional 3 optionsAPI Aqua Essential All-in-One Concentrated Water Conditioner
124.2 out of 5 Stars. 12 reviews
Zoo Med Laboratories Aquapure Water Conditioner for All Fresh & Saltwater Aquariums & Paludariums. 8.75 Oz $17.90 $2.05/fl oz
$1790
current price $17.90$2.05/fl oz
Zoo Med Laboratories Aquapure Water Conditioner for All Fresh & Saltwater Aquariums & Paludariums. 8.75 Oz
Prime100 mL / 3.4 fl. oz. $8.33
$833
current price $8.33Prime100 mL / 3.4 fl. oz.
234.9 out of 5 Stars. 23 reviews
Aqueon Betta Bowl Plus Water Conditioner 4 Ounces
Aqueon Betta Bowl Plus Water Conditioner 4 Ounces
384.7 out of 5 Stars. 38 reviews
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API Stress Coat Water Conditioner & Dechlorinator, 4 fl oz - Makes Tap Water Safe for Freshwater & Saltwater Aquariums
API Stress Coat Water Conditioner & Dechlorinator, 4 fl oz - Makes Tap Water Safe for Freshwater & Saltwater Aquariums
1274.8 out of 5 Stars. 127 reviews
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Best seller Tetra Fauna AquaSafe Water Conditioner for Reptiles & Amphibians, Makes Tap Water Safe, 3.08 oz. From $5.52
4 options
Available in additional 4 optionsFrom$552
Tetra Fauna AquaSafe Water Conditioner for Reptiles & Amphibians, Makes Tap Water Safe, 3.08 oz.
1834.6 out of 5 Stars. 183 reviews
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API Stress Coat + Fish and Tap Water Conditioner - Aquarium Water Enhancer Fish Health Booster
API Stress Coat + Fish and Tap Water Conditioner - Aquarium Water Enhancer Fish Health Booster
1054.7 out of 5 Stars. 105 reviews
(3 pack) Tetra AquaSafe Aquarium Water Conditioner, Makes Tap Water Safe, 3.3 oz.
(3 pack) Tetra AquaSafe Aquarium Water Conditioner, Makes Tap Water Safe, 3.3 oz.
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API Tap Water Conditioner, Aquarium Water Conditioner, 1.25 oz $10.00
$1000
current price $10.00API Tap Water Conditioner, Aquarium Water Conditioner, 1.25 oz
854.8 out of 5 Stars. 85 reviews
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Stability $7.99
$799
current price $7.99Stability
124.5 out of 5 Stars. 12 reviews
API Goldfish Care Pack, Aquarium Water Conditioner, 1.25 oz $11.00
$1100
current price $11.00API Goldfish Care Pack, Aquarium Water Conditioner, 1.25 oz
123.6 out of 5 Stars. 12 reviews
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AQUARIAN Pimacure From $8.97
2 options
Available in additional 2 optionsFrom$897
AQUARIAN Pimacure
424.8 out of 5 Stars. 42 reviews
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API Stress Coat, Aquarium Water Conditioner, 64 oz $26.93 Was $32.82
Now$2693
current price Now $26.93, Was $32.82$32.82
API Stress Coat, Aquarium Water Conditioner, 64 oz
1134.8 out of 5 Stars. 113 reviews
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Tetra 19514 ReptoGuard Water Conditioner Block $5.99 $54.46/lb
$599
current price $5.99$54.46/lb
Tetra 19514 ReptoGuard Water Conditioner Block
604.5 out of 5 Stars. 60 reviews
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Aqueon AquaPacs Water Conditioner 4-Pack From $7.95
3 options
Available in additional 3 optionsFrom$795
Aqueon AquaPacs Water Conditioner 4-Pack
534.5 out of 5 Stars. 53 reviews
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Fluval Water Conditioner 2.1 Qt $31.99
$3199
current price $31.99Fluval Water Conditioner 2.1 Qt
Seachem Prime Water Conditioner F/W &S/W [Aquarium, Ammonia Removers] 250 ml (8.5 oz) $29.98
![Seachem Prime Water Conditioner F/W &S/W [Aquarium, Ammonia Removers] 250 ml (8.5 oz)](https://i5.walmartimages.com/seo/Seachem-Prime-Water-Conditioner-F-W-S-W-Aquarium-Ammonia-Removers-250-ml-8-5-oz_09c2d820-4dcb-4688-9cce-9ee2907557b6.d0fea3b7bc15916665d4584a207079ba.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$2998
current price $29.98Seachem Prime Water Conditioner F/W &S/W [Aquarium, Ammonia Removers] 250 ml (8.5 oz)
Fast-Acting Aquarium Water Clarifier, 2026 Aquarium Water Conditioner Clarifier, Liquid State Clarifying Agent,Clears Cloudy Fish Tank, Liquid State Clarifying Agent, Safe & Gentle Formula $4.99 Was $10.13
Now$499
current price Now $4.99, Was $10.13$10.13
Fast-Acting Aquarium Water Clarifier, 2026 Aquarium Water Conditioner Clarifier, Liquid State Clarifying Agent,Clears Cloudy Fish Tank, Liquid State Clarifying Agent, Safe & Gentle Formula
TetraPond AquaSafe, Makes Tap Water Safe for Pond Fish, 16.9 oz $14.97 88.6 ¢/oz
$1497
current price $14.9788.6 ¢/oz
TetraPond AquaSafe, Makes Tap Water Safe for Pond Fish, 16.9 oz
33.7 out of 5 Stars. 3 reviews
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API Goldfish Protect, Aquarium Water Conditioner, 4 oz $10.00
$1000
current price $10.00API Goldfish Protect, Aquarium Water Conditioner, 4 oz
35 out of 5 Stars. 3 reviews
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API Stress Coat Marine Fish & Tap Water Conditioner, 16 oz (Treats 948 Gallons)
2 options
Available in additional 2 optionsAPI Stress Coat Marine Fish & Tap Water Conditioner, 16 oz (Treats 948 Gallons)
74.9 out of 5 Stars. 7 reviews
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Fritz Complete Water Conditioner Fresh/Saltwater Aquariums 8oz. $12.99
$1299
current price $12.99Fritz Complete Water Conditioner Fresh/Saltwater Aquariums 8oz.
24.5 out of 5 Stars. 2 reviews
Tetra Aquasafe Plus Water Conditioner 16.9oz $17.27 $1.24/ea
$1727
current price $17.27$1.24/ea
Tetra Aquasafe Plus Water Conditioner 16.9oz
1834.7 out of 5 Stars. 183 reviews
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Activ Beta by Natures Ocean, Instant Water for Betta and All Fresh Water Fish- BIO ACTIV Live AQUEOUS Solution- 1 Gallon $21.99
$2199
current price $21.99Activ Beta by Natures Ocean, Instant Water for Betta and All Fresh Water Fish- BIO ACTIV Live AQUEOUS Solution- 1 Gallon
65 out of 5 Stars. 6 reviews
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Seachem Prime Fish & Aquatic Life Marine & Freshwater Treatment, 8.5 fl oz $11.78 Was $20.74
Now$1178
current price Now $11.78, Was $20.74$20.74
Seachem Prime Fish & Aquatic Life Marine & Freshwater Treatment, 8.5 fl oz
654.8 out of 5 Stars. 65 reviews
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Tap Water Conditioner for Houseplants, Hydroponics, & Aquariums | 16oz | Detoxifies Heavy Metals, Remove Chlorine & Chloramines, Balance pH, Support Plant Growth - Cute Farms $15.99
$1599
current price $15.99Tap Water Conditioner for Houseplants, Hydroponics, & Aquariums | 16oz | Detoxifies Heavy Metals, Remove Chlorine & Chloramines, Balance pH, Support Plant Growth - Cute Farms
21 out of 5 Stars. 2 reviews
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Seachem Laboratories Clarity Ultimate Water Clarifier 325ML/11 oz Bonus Size$15.96current price $15.96API Proper pH Sets and Stabilizes Freshwater Aquariums [Aquarium pH Treatments, Aquarium Supplies] pH 7.5 - 5 count
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Seachem Prime Water Conditioner F/W &S/W [Aquarium, Ammonia Removers] 500 ml (16.9 oz)$35.83current price $35.83Tank Pals: Clarence the Clarifier Fish - 2 pk, Purple-Orange - Aquarium Treatment, Clear Cloudy Fresh-Saltwater, Fish Safe, 10gal Tank Maintenance Ea
Tank Pals: Clarence the Clarifier Fish - 2 pk, Purple-Orange - Aquarium Treatment, Clear Cloudy Fresh-Saltwater, Fish Safe, 10gal Tank Maintenance Ea$18.98current price $18.98Seachem Prime Water Conditioner F/W &S/W [Aquarium, Ammonia Removers] 250 ml (8.5 oz)
Seachem Prime Water Conditioner F/W &S/W [Aquarium, Ammonia Removers] 250 ml (8.5 oz)$29.98current price $29.98For API Stress Coat + Fish and Tap Water Conditioner Cover ,Xpm Phone Case [ ]
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For API Stress Coat + Fish and Tap Water Conditioner Cover ,Xpm Phone Case [ ]$97.10current price $97.10Aqueon Ammonia Neutralizer for Freshwater and Saltwater Aquariums [Aquarium Bio Additives, Aquarium Water Conditioners, Aquarium Supplies] 24 oz (6 x 4 oz)
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Aqueon Ammonia Neutralizer for Freshwater and Saltwater Aquariums [Aquarium Bio Additives, Aquarium Water Conditioners, Aquarium Supplies] 24 oz (6 x 4 oz)$79.99current price $79.99API Algaefix Algae Control Solution, 8 fl oz - For Freshwater & Planted Aquariums
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