API

API Copper Test Kit is a 90-test aquarium water kit for monitoring copper in freshwater and saltwater aquariums, with readings from 0–4 ppm. Measures copper from 0–4 ppm — track copper levels across the kit’s reading range. For freshwater and saltwater aquariums — monitor...

The API Aquarium Starter Bundle Pack brings together three 16 oz bottles—QUICK START, STRESS COAT and AQUARIUM SALT—to support aquarium setup, tap-water preparation and freshwater fish care. Patented nitrifying bacteria in QUICK START consume ammonia and nitrite to support a healthy aquarium environment. STRESS...

API replacement plastic test tubes replace missing or damaged aquarium test-kit tubes, with 24 capped tubes and snap-tight caps in the box. Plastic replacement tubes — provide replacement containers for aquarium water testing. Snap-tight caps — close the tubes securely. Made for replacement —...

API BIO-CHEM ZORB Size 6 is a pre-dosed aquarium canister filter pouch designed to clear aquarium water, with one pouch treating up to 55 US gal (208 L). Resin and activated-carbon blend — works to clear aquarium water using two filtration materials. Up to...

API Bottom Feeder Shrimp Pellets are sinking fish food made to provide a complete, balanced diet for bottom-feeding fish, with two 7.9 oz containers in each pack. Sinking pellets — make the food suitable for bottom feeders’ slower feeding habits. Shrimp, seaweed, and squid...

API COOL WATER FOOD is a pellet diet for pond fish in water below 65°F (18.3°C), supplied in one 11-ounce (312 g) container and formulated with high protein, digestible carbohydrates, and natural zeolite. Made for cool water under 65°F (18.3°C) — gives cool-water pond...

API COOL WATER FOOD is a pellet diet for pond fish in water under 65°F (18.3°C), supplied in one 1.40 lb (0.635 kg) bag. For cool water below 65°F (18.3°C) — matches the stated feeding conditions for this diet. High protein and digestible carbohydrates...

API FILSTAR XP Filtration Foam is a two-pad aquarium canister filter replacement designed to filter small waste particles, with 30 PPI foam for the second stage of mechanical filtration. 30 PPI foam — filters small waste particles in the second mechanical filtration stage. Designed...

API FILSTAR XP 20 PPI filtration foam pads are replacement media for API FILSTAR XP canister filters, designed to filter large waste particles; this pack contains two pads. 20 PPI foam — filters large waste particles as water passes through the canister. Designed for...

API FILSTAR XP Super Microfiltration Aquarium Filter Pads are dual-density foam pads for mechanical filtration, designed to capture small waste particles in aquarium water. Dual-density foam — supports absorption as water passes through the pad. Thickness suited to small waste particles — helps filter...

API CICHLID LARGE PELLETS is floating fish food formulated for large cichlids, with pellets designed for fish at least 5 inches (12.7 cm) long. Floating pellets made for large cichlids — keep food at the water’s surface. Designed for cichlids at least 5 inches...

API Leaf Zone is aquarium plant food formulated for rapid absorption through plant leaves, with chelated iron and potassium to support lush green leaves in freshwater aquariums. Formulated for rapid absorption through plant leaves — delivers plant food by foliar uptake. Chelated iron and...

API MARINE ALGAEFIX is a saltwater aquarium algae-control treatment for marine and reef tanks, supplied in one 16 fl oz (473 mL) bottle. Controls green algae (Cladophora), red slime (Oscillatoria / Spirulina major), and brown algae (Cyclotella) — targets three named types found in...

API MARINE STRESS ZYME is a saltwater aquarium cleaning solution with live beneficial bacteria that consume sludge and help maintain a clean biological filter with weekly use. Live bacteria consume sludge — helps clean aquarium surfaces and décor. Made for saltwater and reef aquariums...

API NITRA-ZORB Size 6 is a pre-dosed canister-filter pouch designed to remove ammonia, nitrite and nitrate from freshwater aquariums; this 1-count bag is Model 110A. Removes ammonia, nitrite and nitrate — helps reduce harmful toxins in aquarium water. Pre-dosed pouch — gives you a...

API NITRA-ZORB Pouch is an aquarium canister-filter pouch designed to help remove unwanted substances from aquarium water, with a pre-dosed format for freshwater canister filters. Removes ammonia, nitrite, and nitrate — targets these named substances in aquarium water. Removes toxins that can harm fish...

API PONDCARE MICROBIAL ALGAE CLEAN is a bacterial pond treatment made to control green water in synthetically lined ornamental ponds with no water outflow. First bacterial algaecide registered with the EPA for ponds — offers a biological approach to green water control. Controls green...

API POND AMMO-LOCK is a 64-ounce ammonia detoxifier for ornamental ponds and tap water, designed to neutralize ammonia, chlorine and chloramines for fish. Detoxifies ammonia in pond and tap water — helps make the water safe for fish. Removes chlorine and chloramines from tap...

API Quick Start is a nitrifying bacteria water conditioner for freshwater and saltwater aquariums, supplied as a 2-pack of 16-ounce bottles to support starting an aquarium and adding fish. Two 16-ounce bottles — provides a two-pack of aquarium water conditioner. Nitrifying bacteria formula —...

API MARINE CALCIUM is a reef-aquarium calcium solution designed to support coral health, growth and coloration, in a 16 US fl oz (473 mL) bottle that treats up to 948 US gal (3,589 L) of salt water. Natural source of essential calcium — provides...

API Root Tabs are a freshwater aquarium plant fertilizer designed to support root development and plant growth, supplied as three boxes with 10 tablets per box. Promotes strong root development — supports the growth of freshwater aquarium plants. Designed to help plants grow lush...

API Stress Coat is a fish and tap water conditioner designed to reduce fish stress and help heal damaged tissue, supplied as two 16 fl oz (473 mL) bottles that each treat 946 gallons (3,581 L). Two 16 fl oz bottles, each treating 946...

API Stress Coat is a freshwater aquarium water conditioner for treating tap water, supplied as three 16 oz pump bottles. Removes chlorine and chloramines instantly — helps make treated tap water safer for freshwater fish. Neutralizes heavy metals — addresses another tap-water concern for...

API Stress Coat Water Conditioner is a water conditioner supplied in a pack of two 64 fl oz bottles. Water conditioner — for conditioning water. 64 fl oz per bottle — gives you the stated size of each bottle. Pack of 2 — includes...