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5,380 matching items · Most used first
OtherHikari
Hikari Bio-Pure Spirulina Mysis Shrimp (16 oz. flat pack) is a frozen mysis shrimp food enhanced with vitamins, fatty acids, and spirulina algae for coloration and form in fresh and saltwater fish.
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Substrates & AquascapingFluval
Bio-Stratum features a 1-3 mm grain size, which is great for smaller aquariums, or as a top layer in larger systems. Infused with beneficial nitrifying bacteria, it's an ideal substrate to start a new planted aquarium with, especially if you plan to keep plants with more delicate root systems; collected from the foothills of Mount Aso volcano in Japan.
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SupplementationTropic Marin
Tropic Marin Bio-Strontium provides strontium and carbon dioxide for zooxanthellae in a biologically ideal, crystalline form, supporting healthy growth of corals. Sufficient strontium is as important as calcium and magnesium for reef-building corals; no chelates, phosphates, or nitrates. One level measuring spoon raises strontium ~5 mg/L per 100 L (natural seawater ~8 mg/L); basic dosage 1 spoon per 190 L every two weeks (double for heavily populated tanks). Monitor strontium concentration — high levels may damage corals.
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SupplementationProdibio
Prodibio BioVert Plus (30 Vials) is a growth supplement optimized for aquatic plants in low-to-moderately planted freshwater aquariums with a medium-to-high fish load. It provides potassium, calcium, magnesium, trace elements, and bioavailable iron without nitrate or phosphate; dose one vial weekly for a 30-50 gallon tank, and it can be used together with BioVert Ultimate.
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SupplementationProdibio
Prodibio BioVert Plus Nano (6 Vials) is a plant growth supplement for low to moderately planted freshwater aquariums, providing potassium, calcium, magnesium, trace elements, and iron without nitrate or phosphate.
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SupplementationProdibio
Prodibio BioVert Plus is a plant growth supplement for low/medium planted freshwater aquariums with medium/high fish load; it provides potassium, calcium, magnesium, trace elements, and bioavailable iron without nitrate or phosphate, dosed as one vial weekly.
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SupplementationProdibio
Prodibio BioVert Ultimate is a plant growth supplement for freshwater aquariums providing nitrates, phosphates, and potassium in optimal proportions. Designed for medium to heavily planted tanks with few fish, it complements BioVert Plus, with the pair used alternately for strong, healthy plant growth.
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SupplementationProdibio
Prodibio BioVert Ultimate Nano (6 vials) is an aquatic plant growth supplement with nitrates, phosphates, and potassium in optimal proportions for medium to heavily planted aquariums with few fish; dose 1 vial weekly for tanks up to 5 gallons.
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SupplementationProdibio
Prodibio BioVert Ultimate is a liquid growth supplement for medium to heavily planted freshwater aquariums with low fish load, supplying nitrates, phosphates, and potassium in optimal proportions.
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Water PurificationG.A. Murdock
Made in the USA, Mur-lok Linear Low Density Polyethylene (LLDPE) tubing is designed for use with all Mur-lok and John Guest push connect fittings. Mur-lok polyethylene tubing offers excellent pressure and temperature ratings and has outstanding resistance to environmental stress cracking; BPA-Free, FDA approved materials and NSF Standard 58 Certified.
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Water PurificationG.A. Murdock
Compatible with all Bulk Reef Supply RODI Systems and other RO(DI) systems that utilize 1/4" Polyethylene Tubing. The 1/4" measurement is the outside diameter of the tubing and will work with all 1/4" Push-Connect fittings; black tubing is commonly used for wastewater lines with reverse osmosis systems.
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Water PurificationG.A. Murdock
The Black 3/8" Polyethylene RO Tubing from G.A. Murdock is Mur-lok Linear Low Density Polyethylene tubing made for reverse osmosis systems and reactors. It is commonly used for wastewater lines coming off the membrane housing, and is BPA-free, FDA approved, and NSF Standard 58 certified.
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SupplementationCO2Art
CO2Art Black CO2 Resistant Polyurethane Tubing is 4/6 mm high-quality CO2-resistant tubing for safe connection to CO2 equipment, compatible with all CO2Art regulators and diffusers, available in 10 or 20 foot lengths.
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OtherGrower's Edge
The Sunlight Supply Black Diamond Textured Nitrile Fragging Gloves (100/box, 6 mil thick, small through XX-large) provide textured grip for wet frags and equipment, keeping hands protected when fragging or cleaning.
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OtherBulk Reef Supply
Black 2 x 2 foot styrene egg crate panel with 0.55-inch grid spacing, 100% reef safe and easily cut to size with a saw or wire cutters. Useful as frag rack material, skimmer stands, aquascape support, and tank dividers; the black color resists nuisance algae growth.
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Substrates & AquascapingUltum Nature Systems
The Black Lava Rock is a highly porous natural aquarium hardscape rock for planted tanks and African Cichlid setups; color palette from black to gray. Millions of tiny holes provide massive surface area for beneficial bacteria; coarse texture is perfect for anchoring mosses, ferns, and epiphytic plants. available in a 15LB size.
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Substrates & AquascapingUltum Nature Systems
The Black Lava Rock Cave is an extremely porous natural aquarium hardscape stone with a pre-drilled cave, ideal for small cave-dwelling animals such as crayfish and plecostomus; acts as a massive biological filter with ample space for beneficial bacteria. Small, Medium, Large, and XL sizes.
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Substrates & AquascapingUltum Nature Systems
The Black Lava Rock Mound is an extremely porous natural aquarium hardscape stone, dark black and remarkably lightweight, with multiple pre-cut areas; acts as a massive biological filter and provides safe resting spots for small fauna and perfect pockets for attaching epiphytic plants like Anubias, Bucephalandra, or mosses.
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Other3F
3F frozen black mosquito larvae 100 g suit all tropical fish; vitamin-rich live-style food that can help trigger spawning in some species.
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Substrates & AquascapingUltum Nature Systems
The Black Ridge Stone brings a rugged, natural look to aquarium hardscapes with dark gray, charcoal, and earthy brown tones; heavily weathered surface defined by pronounced ridges, grooves, and layered formations. Natural variation makes it well-suited for organic, uneven hardscape appearances. 30LB pack.
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Substrates & AquascapingCaribSea
CaribSea Black River Rock is an all-natural hardscape stone (typically 3-5" rocks, sold in 12 and 25 lb sizes) that creates a dramatic dark backdrop for planted freshwater aquascapes; it is completely inert, ready to use, and will not alter pH, hardness, or alkalinity.
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Substrates & AquascapingUltum Nature Systems
The Black River Slate is a natural aquarium hardscape rock with a black to dark grey color with occasional brown and white streaks; semi-round water-worn shape for authentic river or lake-inspired aquascapes, waterfalls, or spawning media. Suitable for terrariums and paludariums. 5LB to 30LB packs.
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Substrates & AquascapingUltum Nature Systems
The Black Slate is a natural aquarium hardscape rock with rich black and gray tones accented by subtle white streaks; relatively flat with great stacking potential, perfect for layering or building structures in an aquascape. Excellent base for mosses; wrap varieties around it for moss-covered pieces. 5LB to 30LB packs.
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Substrates & AquascapingUltum Nature Systems
The Black Star Lava Rock is a highly porous volcanic aquarium hardscape rock; unlike jagged lava rock, it features a smoother, rounded pebble-like shape ideal for fish with delicate fins. Massive surface area for beneficial bacteria; perfect for anchoring mosses, Anubias, and Bucephalandra. 5LB to 30LB packs.
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OtherBulk Reef Supply
Bulk Reef Supply Black Vinyl Tubing (1-inch inner diameter, sold per meter) is a thick-walled, completely black vinyl tube for aquarium plumbing that blocks light from entering the line to prevent algae growth inside, unlike clear tubing. Reef safe and used with barb fittings and ratchet clamps.
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OtherBulk Reef Supply
Kuri Tec black vinyl tubing with a 1/2-inch inner diameter, sold by the meter, designed for aquarium plumbing. Its opaque black wall blocks light to prevent algae growth inside the tube, and it is reef-safe, thick-walled, and connects with standard barb fittings.
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OtherKuri-Tec
Black Vinyl Tubing will help keep light from entering your plumbing like traditional clear tubing will. The black color also keeps things looking sharp and clean; black vinyl tubing is sold by the foot; the black tubing keeps light from entering while water is flowing through the tubing, keeping algae from forming inside of the tube and restricting flow over time.
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Substrates & AquascapingAqua Forest Aquarium
Blackish Lichen Stone is a grayish dark stone with natural crevices and texture resembling exotic stony mountains; natural mountain sceneries can be recreated in miniature inside the aquarium. Ideal for Nature-style planted or freshwater aquariums; may raise hardness and pH slightly; minimum order 10 lbs; approx. size 2-10 inches.
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Water PurificationBrightwell Aquatics
Brightwell Aquatics Shrimp BlackWater Clear (500 mL) is a copper-free, shrimp-safe humic water conditioner that slightly acidifies and softens water and provides humic and fulvic acids for nutrient uptake; it recreates blackwater river conditions and can encourage spawning, without darkening the water like traditional humic additives.
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Water PurificationBrightwell Aquatics
Brightwell Aquatics BlackWater is a humic and fulvic acid water conditioner that recreates blackwater river biotopes, slightly acidifying and softening water, coloring it brown, and improving nutrient uptake by plants while encouraging fish spawning.
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