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Return pumps, wavemakers, gyres
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Conditioners, RODI systems, marine salt mixes
Plant fertilizers, liquid CO₂, reef dosing pumps, calcium & alkalinity
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In community tanks
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5,380 matching items · Most used first
OtherSimplicity
The Simplicity Float Switch Kit for Dosing Container adds a float switch to dosing containers, triggering a message or alarm via an aquarium controller when dosing solutions run low.
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OtherBulk Reef Supply
Standard Float Switch with Splash Guard is great for: General water level control applications Aquarium top-off applications Humidification/de-humidification applications Hydroponics project Water features Air conditioning drain pan applications Recommended for water applications like level controllers, auto top systems or other aquarium uses Specifications Normally closed or normally open (see more) Float magnet is encased inside the float 24" leads (22 gauge wire) offer project flexibility Note: Don’t use in heavy duty applications like sewage pumps. The wires complete a circuit when the float is down.
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OtherNyos
The Nyos Floating Fish Trap makes catching fish easy, fast, and safe. Instead of a complicated pull-line mechanism, you simply remove the outer magnet to activate the trap; it turns 90 degrees and floats to the surface, keeping hands dry and stress low, and allows flexible positioning throughout the aquarium, especially in deep areas. Max glass thickness 15 mm (5/8 in).
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Substrates & AquascapingCaribSea
CaribSea Arag-Alive! Florida Crushed Coral live aragonite reef sand (3-5.5 mm) containing live bacteria for faster cycling and natural biological balance. Large grain size suits high-flow tanks and home-building pistol shrimp.
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Substrates & AquascapingCaribSea
CaribSea Florida Crushed Coral dry aragonite sand (3-5.5 mm); ideal for high-flow tanks to prevent bare spots. Available in 10 lb and 40 lb bags; not recommended for sand-dwelling or sand-sifting creatures.
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SupplementationBrightwell Aquatics
FlorinAxis is a bioavailable carbon source and Krebs cycle stimulator for planted aquariums from Brightwell Aquatics. It provides plants with organic carbon, humic and amino acids, and natural phytohormones, improving nutrient metabolism and accelerating the breakdown of organic material in the aquarium.
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SupplementationBrightwell Aquatics
Brightwell Aquatics FlorinBacter Clean is a copper-free, shrimp-safe blend of microbes and enzymes for freshwater aquariums that cleans plants, driftwood, decorations, and tank walls while reducing organic carbon, ammonia, nitrite, nitrate, and phosphate.
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SupplementationBrightwell Aquatics
Brightwell Aquatics FlorinBacter Clean (250 mL) is a copper-free, shrimp-safe blend of microbes and enzymes for freshwater aquariums that cleans plants, driftwood, decorations, and tank walls while reducing organic carbon, ammonia, nitrite, nitrate, and phosphate.
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SupplementationBrightwell Aquatics
Brightwell Aquatics FlorinBacter Clean Shrimp is a copper-free microbial and enzyme blend that cleans plants, driftwood, decorations, and tank walls in freshwater planted and shrimp aquariums, reducing ammonia, nitrite, nitrate, phosphate, and detritus.
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SupplementationBrightwell Aquatics
Brightwell Aquatics FlorinBacter One is a copper-free microbial and enzyme starter culture that jump-starts the ammonia cycle and establishes biological filtration in freshwater planted and shrimp aquariums.
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SupplementationBrightwell Aquatics
Brightwell Aquatics FlorinBacter7 is a suspension of non-pathogenic aerobic and anaerobic microbes and enzymes for all freshwater and planted aquariums, enhancing nitrification, denitrification, and organic waste degradation.
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SupplementationBrightwell Aquatics
Brightwell Aquatics FlorinBacter7 Shrimp is a copper-free, shrimp-safe suspension of non-pathogenic aerobic and anaerobic microbes and enzymes for planted and shrimp freshwater aquariums, enhancing nitrification, denitrification, and organic waste degradation while limiting algae and cyanobacteria.
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OtherBrightwell Aquatics
Brightwell Aquatics FlorinBase Laterin Substrat F Fine is a fine, high-porosity kiln-fired clay substrate rich in natural minerals, especially iron, used as a base layer for lush planted aquarium growth without elevating pH.
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SupplementationBrightwell Aquatics
Brightwell Aquatics Florin-Fe is a dual-action iron supplement for planted aquariums, providing both ferrous and ferric iron for immediate and slow-release absorption; it supports chlorophyll production and enzyme activation, with daily dosing recommended to maintain iron at 0.05-0.10 ppm.
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OtherBrightwell Aquatics
Brightwell Aquatics FlorinGro is a concentrated nitrate-based nitrogen source with kelp extract for planted aquariums, supporting plant growth and chlorophyll production without harming fish.
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SupplementationBrightwell Aquatics
Brightwell Aquatics FlorinGro Plus is a nitrate-based liquid fertilizer for planted freshwater aquariums that house shrimp. The copper-free, shrimp-safe formula provides essential nitrogen to promote lush, vibrant plant growth while maintaining stable water chemistry in pH 7+ tanks.
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SupplementationBrightwell Aquatics
Brightwell Aquatics Florin-K is a concentrated, chloride-free potassium supplement for planted aquariums; it enables enzyme activation, aids photosynthesis and nutrient exchange, encourages plant growth, and helps prevent chlorosis and tissue decay.
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OtherBrightwell Aquatics
Brightwell Aquatics FlorinMulti is a complete multi-nutrient solution with iron and iodine providing 14 elements for long-term health, growth, and coloration of aquatic plants, with no nitrogen or phosphorus.
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SupplementationBrightwell Aquatics
Brightwell Aquatics Shrimp FlorinMulti is a copper-free, shrimp-safe complete multi-nutrient fertilizer with iron for planted aquariums; it provides 13 critical elements (no nitrogen or phosphorus) for plant health, growth, and coloration, dosed twice weekly per 6-10 gallons.
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Substrates & AquascapingBrightwell Aquatics
Brightwell Aquatics FlorinVolcanit Rio Café-F is a 3 mm brown natural volcanic ash substrate for planted and shrimp tanks, binding hardness elements to lower GH and acidify alkaline water below pH 7 while supporting strong root systems.
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Substrates & AquascapingBrightwell Aquatics
Brightwell FlorinVolcanit Rio Café-XF is a 1mm brown natural volcanic ash substrate for planted tanks and shrimp that binds hardness elements, lowering GH and acidifying alkaline water below pH 7 for strong plant root systems.
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Substrates & AquascapingBrightwell Aquatics
Brightwell Aquatics FlorinVolcanit Rio Escuro-F is a 3mm black natural volcanic ash substrate for planted and shrimp tanks; it binds hardness-causing elements to lower GH and gently acidify alkaline water below pH 7, promoting strong root systems and nutrient uptake.
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Substrates & AquascapingBrightwell Aquatics
Brightwell FlorinVolcanit Rio Escuro-XF is a natural volcanic ash substrate with 1mm black particles for freshwater planted and shrimp tanks. It lowers general hardness and gently acidifies alkaline water to a pH below 7, promotes strong root systems and nutrient uptake, and is made in the USA.
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SupplementationSeachem
Seachem Flourish Excel bioavailable organic carbon source for planted aquariums; an alternative to CO2 injection that can be used alone or together with CO2. Initial dosing: 1 capful per 10 gallons; maintenance 1 capful per 50 gallons daily or every other day.
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OtherSeachem
Seachem Flourish Glue superior cyanoacrylate gel for attaching moss and plants to rocks, driftwood, gravel, and hardscape in freshwater or saltwater aquariums; bonds in seconds and can be used underwater. 2-pack, 4 g each.
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SupplementationSeachem
Seachem Flourish comprehensive planted aquarium supplement with micro and trace elements including calcium, magnesium, and iron; no significant nitrogen or phosphorus. Dosing: 1 capful per 60 gallons once or twice weekly.
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Seachem
Seachem Flourite is a specially fractured, stable porous clay gravel for the natural planted aquarium that provides an ideal rooting medium without laterite additives. It is not chemically coated, will not alter water pH, and lasts the life of the aquarium without needing replacement.
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Wave GenerationWavemaker Guards
The NemProtect Flow Director is a 3D-printed PETG attachment for the Red Sea ReefWave 25 gyre pump. It aims the output flow more precisely where it is needed in the tank, shields the cages and rotors from light to slow algae growth, and helps the pump sit closer to the surface for better surface agitation.
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Water PurificationG.A. Murdock
Flow-lok leak detector for RODI systems with 1/4-inch push connect fittings; an absorbent pad expands when wet and trips a safety lever to stop water flow. No power or batteries required; pads are single-use and replaceable.
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SupplementationAquaforest
Aquaforest highly concentrated fluoride supplement (50 mL) supporting coral calcification and skeletal tissue growth; strengthens blue and white coloration of SPS corals. Dosing: 1 drop per 27 gallons daily.
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