Fungus & Bacteria Treatments for New Fish

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Fritz Expel-F Aquarium Water Treatment, 10 count

Rated 4.5 out of 5 stars
13
$12.74 Chewy Price
($1.28/ea) Price per Unit
$14.99 List Price
Autoship Price

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

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API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 1 of 8
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API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle

Rated 4.5 out of 5 stars
253
$14.38 Chewy Price
($0.90/fl oz) Price per Unit
$19.98 List Price
Autoship Price

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

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API Bettafix Antibacterial & Antifungal Betta Fish Infection Remedy, 1.7-oz bottle slide 1 of 7
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API Bettafix Antibacterial & Antifungal Betta Fish Infection Remedy, 1.7-oz bottle slide 1 of 7
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API Bettafix Antibacterial & Antifungal Betta Fish Infection Remedy, 1.7-oz bottle

Rated 4.2 out of 5 stars
127
$4.58 Chewy Price
($2.70/oz) Price per Unit
$6.48 List Price
Autoship Price

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

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API Pimafix Freshwater & Saltwater Fish Fungal Infection Remedy, 16-oz bottle slide 1 of 8
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API Pimafix Freshwater & Saltwater Fish Fungal Infection Remedy, 16-oz bottle

Rated 4.3 out of 5 stars
109
$12.08 Chewy Price
($0.76/oz) Price per Unit
$16.88 List Price
Autoship Price

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

Bundle and Save 5%
Bundle: API Melafix Freshwater Fish Infection Remedy + Stress Coat Aquarium Water Conditioner
Rated 4.9 out of 5 stars
10
$24.09 Chewy Price
$25.36 List Price
Autoship Price

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

Fritz Mardel Maracyn Oxy Fish Aquarium Treatment, 4-oz bottle

Rated 4.4 out of 5 stars
21
$10.39 Chewy Price
($2.60/oz) Price per Unit
$12.99 List Price
Autoship Price

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

Ruby Reef Rally PRO Aquarium Water Treatment, 64-fl oz bottle

Rated 4 out of 5 stars
15
$36.99 Chewy Price
($0.58/fl oz) Price per Unit
Autoship Price

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

API Pond Melafix for Bacterial Infections in Fish, 16-fl oz bottle

Rated 4.7 out of 5 stars
65
$15.88 Chewy Price
($1.00/fl 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

New

ASF Zap-Tasia Aiptaisa Remover Marine Aquarium Treatment, 8 count

$14.99 Chewy Price
($1.88/ea) Price per Unit
$17.99 List Price
Autoship Price

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

Bundle and Save 3%
Bundle: Activ-Betta Bio-Activ Live Aqueous Solution Betta Water + API Bettafix Antibacterial & ...
Rated 3 out of 5 stars
2
$8.79 Chewy Price
$9.06 List Price
Autoship Price

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

API Pond Pimafix Antifungal Pond Fish Infection Remedy, 16-oz bottle

Rated 4.8 out of 5 stars
30
$15.98 Chewy Price
($1.00/oz) Price per Unit
$22.48 List Price
Autoship Price

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

Fritz Mardel Coppersafe Fish Medication, 4-fl oz bottle

Rated 4.5 out of 5 stars
21
$10.39 Chewy Price
($2.60/fl oz) Price per Unit
$12.99 List Price
Autoship Price

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

API Melafix Saltwater Fish & Coral Bacterial Infection Remedy, 16-fl oz bottle

Rated 4.1 out of 5 stars
13
$12.48 Chewy Price
($0.78/fl oz) Price per Unit
$17.48 List Price
Autoship Price

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

Ruby Reef HydroPlex Aquarium Water Treatment, 64-fl oz bottle

Rated 4.6 out of 5 stars
8
$29.59 Chewy Price
($0.47/fl oz) Price per Unit
$36.99 List Price
Autoship Price

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

API Melafix Freshwater Fish Bacterial Infection Remedy, 64-fl oz bottle

Rated 4.8 out of 5 stars
19
$52.51 Chewy Price
($0.83/fl oz) Price per Unit
$100.38 List Price
Autoship Price

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

Ruby Reef Kick-Ich NANO Formula Aquarium Water Treatment, 8-fl oz bottle

Rated 4.2 out of 5 stars
5
$8.99 Chewy Price
($1.13/fl oz) Price per Unit
Autoship Price

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

Fritz Slime Out Fish Treatment, 20 count

Rated 5 out of 5 stars
3
$19.03 Chewy Price
($0.96/ea) Price per Unit
$19.99 List Price
Autoship Price

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

Ruby Reef Rally NANO Formula Aquarium Water Treatment, 8-fl oz bottle

Rated 4.7 out of 5 stars
3
$8.99 Chewy Price
($1.13/fl oz) Price per Unit
Autoship Price

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

Out of Stock

Kordon Methylene Blue General Disease Prevention Aquarium Treatment, 4-oz bottle

Rated 4.7 out of 5 stars
40

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

Save 5% on repeat deliveries

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