Skip to content
  • 💸 More for your budget with big discounts and free shipping! 💸
  • 💸 More for your budget with big discounts and free shipping! 💸
Deals API || Fluker's  StoreDeals API || Fluker's  Store
  • Fish
    • Water Care
    • Pond Shop
    • Filters & Media
    • Health & Wellness
    • Food
    • Cleaners & Pumps
    • Tanks & Aquariums
  • Reptile
    • Shop by Reptile
    • Food & Treats
    • Décor & Accessories
    • Heating & Lighting
    • Cleaning & Environmental Control
  • Horse
    • Stable Supplies
    • Blankets
    • Tack & Saddlery
    • Grooming
    • Riding Gear
  • Farm Animal
    • Cow
  • Dog
    • Clothing & Accessories
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

Home / Fish / Water Care / Water Conditioners
Sale!
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner

API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner

$1.89 – $41.79Price range: $1.89 through $41.79

Clear
SKU: API 94503 Categories: Fish, Water Care, Water Conditioners
  • Your questions, our prompt answers.
  • Efficient and effective customer service, online.
  • 100% environmentally friendly material
  • 100% High Quality Guarantee
Browse
  • Dog
    • Clothing & Accessories
      • Coats & Jackets
  • Farm Animal
    • Cow
  • Fish
    • Cleaners & Pumps
      • Brushes & Cleaners
    • Filters & Media
      • Filter Cartridges
      • Filter Media
      • Filter Parts & Accessories
    • Food
    • Health & Wellness
    • Pond Shop
    • Tanks & Aquariums
    • Water Care
      • Algaecides & Water Clarity
      • PH Treatments
      • Plant Care
      • Salt & Minerals
      • Water Conditioners
      • Water Test Kits
  • Horse
    • Blankets
      • Blanket Accessories & Storage
      • Fly Sheets & Masks
      • Turnouts
    • Grooming
      • Accessories
      • Brushes & Combs
    • Riding Gear
      • Footwear
      • Riding Apparel
    • Stable Supplies
      • Feeding Supplies
      • Trailering
    • Tack & Saddlery
      • Bridles & Parts
      • Halters & Leads
      • Saddlery
  • Reptile
    • Cleaning & Environmental Control
      • Cleaners & Deodorizers
    • Décor & Accessories
      • Plants
      • Wood & Ornaments
    • Food & Treats
    • Heating & Lighting
      • Ultraviolet Light
      • Visible Light
    • Shop by Reptile
      • Bearded Dragon
      • Hermit Crab
      • Lizard
      • Snake
      • Turtle
  • Uncategorized
  • Description
  • Additional information
  • Reviews (0)

Details

  • Keeps aquarium clean by reducing aquarium maintenance.
  • Contains over 300 million live bacteria per teaspoonful to consume sludge and organic debris, keeping gravel and glass clean naturally.
  • Use it weekly in fresh and saltwater aquariums to maintain a strong biological filter and a healthy, clean aquarium.
  • All natural formula adds beneficial bacteria for a healthier aquarium.
  • Helps boost the natural aquarium cycle.

Help create a naturally balanced aquarium with API Stress Zyme Aquarium Water Conditioner. Waste, sludge and uneaten food can cause toxic junk, like ammonia and nitrite, to form in your tank. But this water conditioner contains over 300 million live bacteria per teaspoonful to help consume sludge and organic debris, working to keep your gravel and glass clean naturally. Use it weekly in fresh and saltwater aquariums to maintain a strong biological filter and a healthy, clean home for your finned friends.

Specifications

Item Number 94505
Aquarium Concern New Aquarium and Regular Care, Dirty Aquarium, Mold, Worms, and Particles, Discolored Water and Algae
Aquarium Type Freshwater, Saltwater
Fish Type Tropical Freshwater, Betta, Cichlid, Goldfish, Marine Fish, Marine Invertebrate, Bottom Feeder
Product Form Liquid

Precautions

HAZARDS TO HUMANS: Keep from freezing. Do not store above 120° F (49°C). Keep out of reach of children.
Keep from freezing. Do not store above 120 degrees F (49 degrees C).

Instructions

Use the API Dosing Cap on the bottle. Shake well. To maintain a clean, healthy aquarium: add 1 tsp. (5ml) per 10 U.S. gallons of water weekly.

FAQ

Do any of your larger bottle sizes of API STRESS ZYME include a pump?

No, this API STRESS ZYME does not include an option with a pump.

Can I use API QUICK START and API STRESS ZYME at the same time?

Yes, these API products can be combined.

Can API STRESS ZYME be added while fish are in the tank?

API STRESS ZYME can be added while fish are in the tank.

Can API STRESS ZYME be used safely with catfish and other bottom feeders?

API STRESS ZYME is safe for use with catfish and bottom feeders.

How is API MARINE STRESS ZYME different from API MARINE STRESS COAT?

API MARINE STRESS ZYME is not a tap water dechlorinator, like API STRESS COAT. Instead, it works to reduce aquarium maintenance over time, consuming sludge to keep gravel clean and adding beneficial bacteria to boost the natural aquarium cycle.

When should I use API MARINE STRESS ZYME?

You may use API MARINE STRESS ZYME weekly, but especially whenever you perform a 25% water change in your aquarium in order to replace beneficial bacteria. This will ensure that you aquarium cycle continues to function normally for your fish.

Size

1-gal bottle, 1-oz bottle, 64-oz bottle, 16-oz bottle, 8-oz bottle, 4-oz bottle

Reviews

There are no reviews yet.

Be the first to review “API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner” Cancel reply

Related products

Sale!
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit
Quick View

Fish

API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit

$12.25 Original price was: $12.25.$9.43Current price is: $9.43.
Sale!
API Phosphate PO4 Freshwater & Saltwater Aquarium Test Kit
Quick View

Fish

API Phosphate PO4 Freshwater & Saltwater Aquarium Test Kit

$12.50 Original price was: $12.50.$10.50Current price is: $10.50.
Sale!
API CO2 Booster Freshwater Aquarium Plant Care Treatment
Quick View

Fish

API CO2 Booster Freshwater Aquarium Plant Care Treatment

$9.25 – $14.03Price range: $9.25 through $14.03
Sale!
API Goldfish Aquarium Cleaner
Quick View

Fish

API Goldfish Aquarium Cleaner

$3.99 Original price was: $3.99.$3.31Current price is: $3.31.
Sale!
API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water Size 6
Quick View

Filter Cartridges

API Bio-Chem Zorb Filter Media Pouch for Crystal Clear Aquarium Water Size 6

$168.91 Original price was: $168.91.$136.82Current price is: $136.82.
Sale!
API Copper Cu+ Freshwater & Saltwater Aquarium Test Kit
Quick View

Fish

API Copper Cu+ Freshwater & Saltwater Aquarium Test Kit

$11.68 Original price was: $11.68.$9.34Current price is: $9.34.
Sale!
API Bio-Chem Zorb Aquarium Canister Filter Filtration Pouch
Quick View

Filter Cartridges

API Bio-Chem Zorb Aquarium Canister Filter Filtration Pouch

$8.10 – $14.58Price range: $8.10 through $14.58
Sale!
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Quick View

Fish

API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit

$10.99 Original price was: $10.99.$9.01Current price is: $9.01.
Products
  • Derby Originals Windstorm Series 1200D Ripstop Waterproof Mini/Pony Horse Rain Sheet Derby Originals Windstorm Series 1200D Ripstop Waterproof Mini/Pony Horse Rain Sheet $45.09 – $81.96Price range: $45.09 through $81.96
  • Derby Originals Waterproof Heavy-Duty Rolling Horse Hay Bale Bag, Black Derby Originals Waterproof Heavy-Duty Rolling Horse Hay Bale Bag, Black $71.30 – $192.50Price range: $71.30 through $192.50
legal
  • Privacy Policy
  • Shipping & Returns
  • FAQ
  • Returns & Exchanges
  • Term and Conditions
customer service
  • My account
  • Delivery
  • Payment Method
  • Contact Us
  • About Us
Signup for Newsletter
Stay up to date with news and promotions by signing up for our newsletter

    Copyright 2025 © www.apiofficial.com
    • Fish
      • Water Care
      • Pond Shop
      • Filters & Media
      • Health & Wellness
      • Food
      • Cleaners & Pumps
      • Tanks & Aquariums
    • Reptile
      • Shop by Reptile
      • Food & Treats
      • Décor & Accessories
      • Heating & Lighting
      • Cleaning & Environmental Control
    • Horse
      • Stable Supplies
      • Blankets
      • Tack & Saddlery
      • Grooming
      • Riding Gear
    • Farm Animal
      • Cow
    • Dog
      • Clothing & Accessories
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.