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Salifert Aquarium Copper Test Kit

Rated 5 out of 5 stars
2
$14.42 Chewy Price
$16.97 List Price
15% Off
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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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

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ASF Reef Shots Strontium Aquarium Treatment, 16-oz bag slide 1 of 4
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ASF Reef Shots Strontium Aquarium Treatment, 16-oz bag

$17.43 Chewy Price
($1.09/oz) Price per Unit
$23.99 List Price
27% Off
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Free 1-3 day delivery on first-time orders over $35
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API Replacement Test Tubes for Aquarium Liquid Test Kits, 24 count slide 1 of 8
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API Replacement Test Tubes for Aquarium Liquid Test Kits, 24 count

Rated 3.3 out of 5 stars
22
$24.98 Chewy Price
($1.05/ea) Price per Unit
$41.98 List Price
40% Off
Autoship Price

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

Dr. Tim's Aquatics NP-Active Pearls for Nutrient Control in Aquariums, 450-mL bottle

Rated 4.7 out of 5 stars
3
$31.70 Chewy Price
($0.08/mL) Price per Unit
$45.99 List Price
31% Off
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Dr. Tim's Aquatics Betta One & Only Water Conditioner, 2-fl oz bottle

Rated 5 out of 5 stars
1
$13.41 Chewy Price
($6.71/fl oz) Price per Unit
$16.99 List Price
21% Off
Autoship Price

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

AquaForest Reef Salt + Mix for Aquariums, 148-gal bucket

Rated 3.8 out of 5 stars
6
$83.99 Chewy Price
($0.57/gl) Price per Unit
Autoship Price

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

Aqueon Betta Bowl Plus Water Conditioner, 4-fl oz bottle

Rated 4.8 out of 5 stars
69
$5.38 Chewy Price
($1.35/fl oz) Price per Unit
$6.49 List Price
17% Off
Autoship Price

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

Microbe-Lift TheraP Aquarium Fish Water Treatment, 16-oz bottle

Rated 3.3 out of 5 stars
7
$16.64 Chewy Price
($1.04/oz) Price per Unit
$19.55 List Price
15% Off
Autoship Price

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

Fritz Aquarium Water Nitrite Test Kit

Rated 3 out of 5 stars
1
$11.99 Chewy Price
$15.99 List Price
25% Off
Autoship Price

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

Lifegard All Purpose 5-Way Fish Pond Test Strips, 25 count

$23.90 Chewy Price
($0.96/ea) Price per Unit
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jun 3 and Jun 7

API Pond Essentials Bundle, 3 count

Rated 5 out of 5 stars
1
$119.98 Chewy Price
($40.00/ea) Price per Unit
$139.98 List Price
14% Off
Autoship Price

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

Fluval Supply Set Fish CO2 Care

Rated 3 out of 5 stars
9
$61.37 Chewy Price
$97.99 List Price
37% Off
Autoship Price

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

Dennerle NPK Booster Macro-Fertilizer Aquarium Plant Fertilizer, 100-mL bottle

Rated 4.3 out of 5 stars
6
$12.99 Chewy Price
($0.13/mL) Price per Unit
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jun 2 and Jun 6

API Splendid Betta Complete Aquarium Water Conditioner, 1.25-fl oz bottle

Rated 5 out of 5 stars
10
$5.78 Chewy Price
($4.63/fl 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 Shrimp First Defense Water Conditioner, 4-fl oz bottle

$11.73 Chewy Price
($2.94/fl oz) Price per Unit
$13.99 List Price
16% Off
Autoship Price

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

Dr. Tim's Aquatics Axolotl First Defense Water Conditioner, 4-fl oz bottle

Rated 3 out of 5 stars
2
$13.99 Chewy Price
($3.50/fl oz) Price per Unit
Autoship Price

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

AquaZen Root Tabs Freshwater Aquarium Plant Nutrition, 10 count

Rated 5 out of 5 stars
1
$15.99 Chewy Price
($1.60/ea) Price per Unit
Autoship Price

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

Fritz Casuarina Cones, 20 count

Rated 3 out of 5 stars
3
$12.99 Chewy Price
($0.65/ea) Price per Unit
$14.99 List Price
13% Off
Autoship Price

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

Microbe-Lift TheraP Pond Fish Water Treatment, 32-oz bottle

Rated 3.8 out of 5 stars
4
$23.59 Chewy Price
($0.74/oz) Price per Unit
$29.49 List Price
20% Off
Autoship Price

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

Fritz Aquarium Water Nitrate Test Kit

Rated 4.5 out of 5 stars
2
$13.49 Chewy Price
$17.99 List Price
25% Off
Autoship Price

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

Penn-Plax Pro-Carb Aquarium Cleaner, 28-oz bottle

Rated 5 out of 5 stars
1
$20.99 Chewy Price
($0.75/oz) Price per Unit
$24.99 List Price
16% Off
Autoship Price

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

Hydrospace PNS ProBio Fish Aquarium Additive, Maroon, 16-fl oz

Rated 5 out of 5 stars
1
$30.99 Chewy Price
($1.94/oz) Price per Unit
Autoship Price
  • Contains Live Feed

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

Zoo Med Betta H2O Conditioner, 0.5-fl oz

Rated 4.1 out of 5 stars
19
$4.99 Chewy Price
($9.98/fl oz) Price per Unit
Autoship Price

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

biOrb Aquarium Service Kit 3 Plus Water Optimizer

Rated 4.7 out of 5 stars
41
$31.00 Chewy Price
$36.99 List Price
16% Off
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between May 31 and Jun 5

API pH Freshwater & Saltwater Aquarium Test Strips, 25 count

Rated 4.4 out of 5 stars
10
$14.46 Chewy Price
($0.58/ea) Price per Unit
$18.28 List Price
21% Off
Autoship Price

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

Dr. Tim's Aquatics Freshwater Waste-Away Gel Water Conditioner, Large: 100-gal, 2 count

Rated 2 out of 5 stars
1
$36.49 Chewy Price
($18.25/ea) Price per Unit
$44.99 List Price
19% Off
Autoship Price

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

Dr. Tim's Aquatics Eco-Balance Saltwater Aquarium Cleaner, 16-fl oz bottle

$31.99 Chewy Price
($2.00/oz) Price per Unit
Autoship Price

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

AquaZen Freshwater Aquarium CO2 Tablets

Rated 5 out of 5 stars
1
$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

Dennerle Carbo Elixier Bio Aquarium Plant Fertilizer, 500-mL bottle

Rated 3 out of 5 stars
2
$33.50 Chewy Price
($0.07/mL) Price per Unit
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jun 2 and Jun 6

Dr. Tim's Aquatics Waste-Away Gel Betta Water Conditioner, Small, 1 count

Rated 5 out of 5 stars
1
$13.99 Chewy Price
($13.99/ea) Price per Unit
Autoship Price

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

Microbe-Lift Gravel & Substrate Aquarium Cleaner, 8-oz bottle

Rated 4.2 out of 5 stars
14
$11.50 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

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

Rated 1 out of 5 stars
1
$16.39 Chewy Price
($0.41/ea) Price per Unit
$23.99 List Price
32% Off
Autoship Price

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

Hydrospace PNS DeepCycle Fish Aquarium Substrate, Purple, 16-oz

$37.99 Chewy Price
($2.38/oz) Price per Unit
Autoship Price
  • Contains Live Feed

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

Fluval Nitrite Fish Water Test Kit

Rated 5 out of 5 stars
1
$16.99 Chewy Price
Autoship Price

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

API Pond pH Down Pond Water pH Reducing Solution, 16-oz bottle

Rated 4.8 out of 5 stars
19
$21.57 Chewy Price
($1.35/oz) Price per Unit
$22.28 List Price
Autoship Price

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