Aquarium & Fish Tank Water Care

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Dr. Tim's Aquatics AquaCleanse Saltwater Aquarium Cleaner, 8-fl oz bottle slide 1 of 3
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Dr. Tim's Aquatics AquaCleanse Saltwater Aquarium Cleaner, 8-fl oz bottle slide 1 of 3
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Dr. Tim's Aquatics AquaCleanse Saltwater Aquarium Cleaner, 8-fl oz bottle slide 1 of 3
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Dr. Tim's Aquatics AquaCleanse Saltwater Aquarium Cleaner, 8-fl oz bottle slide 1 of 3
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Dr. Tim's Aquatics AquaCleanse Saltwater Aquarium Cleaner, 8-fl oz bottle

$13.89 Chewy Price
($1.74/oz) Price per Unit
$16.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Dr. Tim's Aquatics Waste-Away Freshwater Aquarium Cleaner, 64-fl oz bottle slide 1 of 8
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Dr. Tim's Aquatics Waste-Away Freshwater Aquarium Cleaner, 64-fl oz bottle

Rated 5 out of 5 stars
1
$61.89 Chewy Price
($0.97/fl oz) Price per Unit
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 13 and Apr 16

API Reef Magnesium Marine Aquarium Solution, 16-oz bottle

$12.98 Chewy Price
($0.82/oz) Price per Unit
$18.28 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Dennerle Profi-Line CO2 Maxi Flipper Fish Aquarium Diffuser

Rated 5 out of 5 stars
1
$72.00 Chewy Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 12 and Apr 16

New

ASF Reef Evolution Sea Salt, 50-gal bag

$35.36 Chewy Price
($0.71/gl) Price per Unit
$35.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

ASF SeaTest NO3- Nitrate Fish Aquarium Water Test Kit, 40 count

$20.29 Chewy Price
($0.51/ea) Price per Unit
$23.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

OASE Indoor Aquatics ScaperLine 3 Fish Soil, Black

Rated 5 out of 5 stars
1
$34.87 Chewy Price
($34.87/ea) Price per Unit
$37.97 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Microbe-Lift Sabbactisun All-Natural Expellant Aquarium Bacterial Disease Water Conditioner, 16...

Rated 4.6 out of 5 stars
9
$22.95 Chewy Price
($1.44/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Dr. Tim's Aquatics Clear-Up Freshwater Aquarium Cleaner, 4-fl oz bottle

$12.99 Chewy Price
($3.25/oz) Price per Unit
$15.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Salifert Aquarium Potassium Test Kit

Rated 3.3 out of 5 stars
3
$17.84 Chewy Price
$18.81 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

CaribSea PurpleUp Aquarium Solution, 16-fl oz bottle

Rated 2.5 out of 5 stars
2
$19.41 Chewy Price
($1.22/fl oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval Sea Calcium Aquarium Water Conditioner, 8-oz bottle

Rated 4.8 out of 5 stars
4
$8.50 Chewy Price
($1.07/oz) Price per Unit
$9.87 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval Nitrate Fish Water Test Kit

Rated 3.7 out of 5 stars
3
$22.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Dr. Tim's Aquatics First Defense Freshwater Aquarium Cleaner, 128-fl oz bottle

Rated 5 out of 5 stars
2
$110.49 Chewy Price
($0.87/fl oz) Price per Unit
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 13 and Apr 16

Laguna Bio Booster, 16-oz

$38.99 Chewy Price
($2.44/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Dr. Tim's Aquatics AquaCleanse Freshwater Aquarium Cleaner, 16-fl oz bottle

Rated 5 out of 5 stars
1
$15.99 Chewy Price
($1.00/oz) Price per Unit
$19.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

API Pond Essentials Bundle, 3 count

Rated 5 out of 5 stars
1
$99.98 Chewy Price
($33.33/ea) Price per Unit
$139.98 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Dennerle CO2 Flipper Fish Aquarium Diffuser

Rated 4.4 out of 5 stars
5
$52.00 Chewy Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 12 and Apr 16

ASF Calcium Booster Aquarium Treatment, 2.2-lb bottle

$17.99 Chewy Price
($8.18/lb) Price per Unit
$21.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

New

HydrOasis Mosaic Surface Plant Reg Fish Plant, 3 count

$39.99 Chewy Price
($13.33/ea) Price per Unit
Autoship Price
  • Live Plant

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 11 and Apr 15

API Freshwater Aquarium Salt, 50-lb

Rated 5 out of 5 stars
4
$112.48 Chewy Price
($2.25/lb) Price per Unit
$157.48 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Dr. Tim's Aquatics Axolotl Waste-Away Water Conditioner, 4-fl oz bottle

Rated 2.8 out of 5 stars
4
$14.99 Chewy Price
($3.75/fl oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

ASF SeaTest Mg2+ Magnesium Fish Aquarium Water Test Kit, 40 count

$26.99 Chewy Price
($0.68/ea) Price per Unit
$31.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Freshwater Aquariums, 16-fl oz bottl...

$98.89 Chewy Price
($6.19/oz) Price per Unit
$120.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Fritz RPM Elements Alkalinity Aquarium Water Treatment, 1-gal bottle

Rated 4.5 out of 5 stars
4
$28.99 Chewy Price
($28.99/gl) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Dr. Tim's Aquatics First Defense Saltwater Aquarium Cleaner, 4-fl oz bottle

$12.79 Chewy Price
($3.20/oz) Price per Unit
$15.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Laguna Water Prep Aquarium Water Maintenance Solution, 67.5-oz

$48.99 Chewy Price
($0.73/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

AquaZen Freshwater Aquarium CO2 3-in-1 Diffuser, Mini

$14.99 Chewy Price
$15.00 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Dr. Tim's Aquatics Clear-Up Saltwater Aquarium Cleaner, 8-fl oz bottle

$25.09 Chewy Price
($3.14/oz) Price per Unit
$30.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval CO2 Aquarium Indicator Kit

Rated 2.2 out of 5 stars
6
$16.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Dr. Tim's Aquatics One & Only Saltwater Aquarium Cleaner, 16-fl oz bottle

$122.59 Chewy Price
($7.67/oz) Price per Unit
$149.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Lifegard Live Nitrifying Fish Pond Bacteria, 32-fl oz bottle

Rated 4.7 out of 5 stars
3
$26.06 Chewy Price
($0.82/fl oz) Price per Unit
$28.12 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 13 and Apr 17

ASF SeaTest NH3 Ammonia-Ammonium Fish Aquarium Water Test Kit, 40 count

Rated 1 out of 5 stars
1
$19.99 Chewy Price
($0.50/ea) Price per Unit
$23.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

ASF Reef Shots Magnesium Aquarium Treatment, 16-oz bag

$23.50 Chewy Price
($1.47/oz) Price per Unit
$23.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

AquaZen CO2 Bubble Counter

Rated 1 out of 5 stars
1
$9.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Dennerle Scraper's Soil Active Aquarium Substrate, 4-L bag

Rated 5 out of 5 stars
2
$35.00 Chewy Price
($8.75/l) Price per Unit
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 12 and Apr 16

Category

Water Conditioner

Algaecide & Water Clarifier

Water Test Kits

Water Treatments

Plant Fertilizers

Mineral Salt

Filtration Bacteria

Water Clarifiers

Therapeutic Salt

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