Best Instant Ocean in 2026

Contains essential ocean reef elements in concentrations greater than those found in natural sea water

Recommended specific gravity range – 1.020-1.026 at 77ᵒ F | Note – 1.4 lbs. of Reef Crystals is formulated to create 5 gallons of saltwater at a specific gravity of 1.021

Our marine salt will typically set the pH of a tank between 8.0 and 8.3 while it produces between 7 and 10 dKH

ALL-IN-ONE REEF SUPPLEMENT: Use regularly to encourage the growth of corals and purple algae

RESTORES: Replenishes calcium, magnesium, strontium, iodine and trace elements – essential minerals that quickly become depleted in reef aquariums

ADVANCED CHEMISTRY: Supplies essential minerals that are necessary for growth of marine invertebrates and coralline algae

Instant Ocean HoldFast Epoxy Stick, Fish Safe 4 oz

SAFE FOR ANIMALS: Non-toxic epoxy is safe for all fish and invertebrates.

FOR FRESHWATER & MARINE aquariumS: Bonds rocks, corals, slate and more.

Number 1 choice of hobbyists, public aquariums and scientific research facilities

Fast dissolving

Nitrate and phosphate-free

Contains one (1) API STRESS COAT Aquarium Water Conditioner 1-Ounce Bottle

Makes tap water safe and protects fish with dual-action formula

Removes chemicals from tap water that are harmful to fish

FOR FRESHWATER AND MARINE aquariumS: Tetra AquaSafe Plus works instantly to make tap water safe for fish.

ADVANCED FORMULA: Neutralizes or removes harmful chlorine, chloramines and heavy metals.

PROTECTS FISH: Enhances protective slime coat to help wounds heal.

FOR FRESHWATER AND MARINE aquariumS: Tetra AquaSafe Plus works instantly to make tap water safe for fish.

ADVANCED FORMULA: Neutralizes or removes harmful chlorine, chloramines and heavy metals.

PROTECTS FISH: Enhances protective slime coat to help wounds heal.

POWERFUL TREATMENT: Seachem Prime is a complete and concentrated conditioner for both freshwater and saltwater fish tanks, working hard to remove chlorine and chloramine.

REMOVER: Seachem Prime immediately and permanently removes chlorine and chloramine, successfully allowing the bio filter to remove ammonia, nitrite, and nitrate while they are detoxified for 48 hours.

DETOXIFIER: Seachem Prime effectively detoxifies ammonia, nitrite, and heavy metals found in the tap water at typical concentration levels, providing a ideal environment for your betta, tetra, or other fish.

Contains one (1) API STRESS COAT Aquarium Water Conditioner 16-Ounce Bottle

Makes tap water safe and protects fish with dual-action formula

Removes chemicals from tap water that are harmful to fish

POWERFUL TREATMENT: Seachem Prime is a complete and concentrated conditioner for both freshwater and saltwater fish tanks, working hard to remove chlorine and chloramine.

REMOVER: Seachem Prime immediately and permanently removes chlorine and chloramine, successfully allowing the bio filter to remove ammonia, nitrite, and nitrate while they are detoxified for 48 hours.

DETOXIFIER: Seachem Prime effectively detoxifies ammonia, nitrite, and heavy metals found in the tap water at typical concentration levels, providing a ideal environment for your betta, tetra, or other fish.

Contains one (1) API STRESS COAT Aquarium Water Conditioner 64-Ounce Bottle

Makes tap water safe and protects fish with dual-action formula

Removes chemicals from tap water that are harmful to fish

CONDITIONS aquarium WATER: Essential care formula protects fish and reduces stress.

MAKES TAP WATER SAFE: Monthly treatment with partial water changes removes harmful chlorine.

INSTANT RESULTS: Works quickly to make tap water safe for fish.

POWERFUL TREATMENT: Seachem Prime is a complete and concentrated conditioner for both freshwater and saltwater fish tanks, working hard to remove chlorine and chloramine.

REMOVER: Seachem Prime immediately and permanently removes chlorine and chloramine, successfully allowing the bio filter to remove ammonia, nitrite, and nitrate while they are detoxified for 48 hours.

DETOXIFIER: Seachem Prime effectively detoxifies ammonia, nitrite, and heavy metals found in the tap water at typical concentration levels, providing a ideal environment for your betta, tetra, or other fish.

Contains one (1) API STRESS COAT Aquarium Water Conditioner 1-Gallon Bottle

Makes tap water safe and protects fish with dual-action formula

Removes chemicals from tap water that are harmful to fish

Product 1: Contains one (1) API STRESS ZYME Freshwater and Saltwater Aquarium Cleaning Solution 16-Ounce Bottle

Product 1: Keeps freshwater and saltwater aquariums clean and reduces maintenance

Product 1: Consumes sludge to help keep gravel and decorations clean

ESSENTIAL TOOL FOR FISHKEEPING: It’s always good to have an extra fish net for your aquarium! In addition to cleaning up some extra fish food that was accidentally poured, it becomes a handy tool when you need to quickly handle fish, and transfer them between tanks. They’re safe to use with both freshwater and saltwater fish, and come in various sizes!

DURABLE, STRONG, AND SAFE: Each fish net features a vinyl covered, two-part braided handle that provides for an ergonomic grip, ensuring reliable operation with its strong design. Our aquarium fish nets won’t bend or become distorted over time, even with repetitive use. The mesh netting is appropriate for almost any type of aquarium fish, both freshwater and saltwater.

MEASUREMENTS: The QN4 model of our Quick-Net line features a 4” x 3” net, with a handle length of 10”

Chemical filter media designed specifically for the Fluval Flex/Spec/Evo aquarium filters

Effective at removing and reducing nitrite

Helps prevent fish loss and supports beneficial bacteria for a healthier aquatic environment

REPLACEMENT CARBON FILTER Keeps aquarium water crystal clear – removes odors and discoloration

CATCHES DEBRIS Dense dual-sided mesh filters debris and fish waste

CONVENIENT Replacement filter cartridges are fully assembled and ready to use

EZ-Change number 3 Filter Cartridge fits AQUA-Tech 20-40 and 30-60 Power Filters

Contains AQUA-Tech Premium Activated Carbon

No messy assembly required

🐟 25% MORE ACTIVATED CARBON - Aqueon Replacement Filter Cartridges are dual-sided, featuring dense-floss with over 25% more activated carbon than the leading brands.

🐟 HIGH-QUALITY ACTIVATED CARBON - The cartridge contains high-quality activated carbon that keeps water clean.

🐟 EVEN CARBON DISTRIBUTION - Aqueon’s patented cartridges were designed to ensure the even distribution of activated carbon.

UNASSEMBLED REPLACEMENT CARBON FILTER Keeps aquarium water crystal clear – removes odors and discoloration

CATCHES DEBRIS Dense dual-sided mesh filters debris and fish waste

FITS TETRA WHISPER WATER FILTERS Color coded to make it simple to remember which replacement cartridge size to purchase

Contains one (1) API STRESS ZYME Freshwater and Saltwater Aquarium Cleaning Solution 16-Ounce Bottle

Keeps freshwater and saltwater aquariums clean and reduces maintenance

Consumes sludge to help keep gravel and decorations clean

Contains one (1) API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, including 7 bottles of testing solutions, 1 color card and 4 glass tubes with cap

Helps monitor water quality and prevent invisible water problems that can be harmful to fish and cause fish loss

Accurately monitors 5 most vital water parameters levels in freshwater aquariums: pH, high range pH, ammonia, nitrite, nitrate

Contains one (1) API STRESS COAT 16-ounce, one (1) API STRESS ZYME 16-ounce, and one (1) API TROPICAL FLAKES 1.1-ounce

Makes tap water safe and protects fish with dual-action formula

API STRESS COAT makes tap water safe and protects fish with dual-action formula

100% dedicated to performance and clean environment

Product tested and safe for salt or fresh water setups

Cleaner ponds and tanks equal longer fish and aquatic life

POWERFUL TREATMENT: Seachem Prime is a complete and concentrated conditioner for both freshwater and saltwater fish tanks, working hard to remove chlorine and chloramine.

REMOVER: Seachem Prime immediately and permanently removes chlorine and chloramine, successfully allowing the bio filter to remove ammonia, nitrite, and nitrate while they are detoxified for 48 hours.

DETOXIFIER: Seachem Prime effectively detoxifies ammonia, nitrite, and heavy metals found in the tap water at typical concentration levels, providing a safe environment for your betta, tetra, or other fish.

POWERFUL TREATMENT: Seachem Prime is a complete and concentrated conditioner for both freshwater and saltwater fish tanks, working hard to remove chlorine and chloramine.

REMOVER: Seachem Prime immediately and permanently removes chlorine and chloramine, successfully allowing the biofilter to remove ammonia, nitrite, and nitrate while they are detoxified for 48 hours.

DETOXIFIER: Seachem Prime effectively detoxifies ammonia, nitrite, and heavy metals found in the tap water at typical concentration levels, providing a safe environment for your betta, tetra, or other fish.

Contains one (1) API TAP WATER CONDITIONER Aquarium Water Conditioner 16-Ounce Bottle

Neutralizes chlorine, chloramines and other chemicals to make tap water safe for fish

Prevents tap water chemicals from causing gill destruction, tissue irritation and fish death

Contains one (1) API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 16-Ounce Bottle

Allows instant addition of fish when starting a new aquarium

Reduces compounds harmful to fish when used routinely

100% dedicated to performance and clean environment

Product tested and safe for salt or fresh water setups

Cleaner ponds and tanks equal longer fish and aquatic life