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Phosphat-E-Liquid Phosphate Remover 250 ML -Brightwell
$18.95Overview Begins to eliminate reactive phosphate immediately upon addition to aquarium. Safe for all inhabitants of reef and marine fish-only aquaria. Each ml eliminates 1 ppm phosphate in 4 US-gallons of water(250 ml treats 1,000 US-gal). Helps... -
10" (1.0 Micron) Carbon Block Filter Cartridge (CF-1.0-10) - SpectraPure
Spectrapure$14.99Carbon Block Filter Cartridge - 1.0 Micron (nominal), 2.8" x 10" LengthFEATURES: Remove chlorine, organics, taste and odor Dual-purpose - combination sediment and carbon filter Excellent service life No channeling or bypassing of fluids Meet NSF... -
SWF-POD - Sample Water Filter Pod - VCA
VCA Vivid Creative$22.95The Pre-Filter That Can Help Protect Your Most Sensitive Equipment Pre-filter for any device that draws water from your sump Works with automated testing devices such as the Neptune Trident line and Hydros™ Maven as well as other popular... -
EVO | SPEC | FLEX Activated Carbon (3 Pack) - Fluval
Fluval$4.99Specifically designed for Fluval Spec / Flex / EVO Desktop Aquariums, this premium, activated carbon provides critical stage-2 chemical filtration. The research grade carbon has large amounts of surface area for the adsorption of impurities. It... -
10" Silica Buster DI Resin Filter Cartridge (DI-SB-10) - Spectrapure
Spectrapure$36.99SilicaBuster™ Multi-Layer DI Cartridge - Standard 10in Twist-Top Shell, 2.8in dia x 10in L FEATURES: SpectraPure® SilicaBuster™ Mixed-Bed Multi-Layer Deionization Cartridges are fabricated with semiconductor grade resins for highest... -
(THREE PACK) Purigen Bagged (100 mL) - Seachem
Seachem$31.14Triple Pack - Three Purigen 100 ML Purigen® is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes... -
CupriSorb (250mL) - Seachem
Seachem$19.34CupriSorb™ is a narrow spectrum, synthetic adsorbent based filter material for removing copper and heavy metals from either freshwater or marine water. It extracts all types of copper, including chelated copper, and remains effective until it turns... -
Premium Blend Bulk Deionization Resin Mixed Bed (Color Changing) RODI (1.25 lbs) Refill Bag (MB-DI-CI-1.25) - SaltwaterAquarium
SaltwaterAquarium$18.99Premium Blend Mix-Bed DI Resin - Made in the USA (Most are not) Features Virgin Resin (not recycled, some cheap competitors versions are) Color-Indicating - changes from dark blue to Orange/Rust Red Made in the... -
On Sale 15%
(2 Pack) Super Sacks 5" x 9" Premium Aquarium Filter Bags w/Drawstring - Fritz
Fritz Aquatics$5.59$4.75Fritz Super Sacks are premium quality refillable and reusable mesh bags suitable for most types of media - customize your filter media and drop it in to your system with no mess. The 5” x 9” size can hold up to 0.5 L of media. Fritz Super... -
Phosphat-E-Liquid Phosphate Remover 500 ML -Brightwell
$32.95Overview Begins to eliminate reactive phosphate immediately upon addition to aquarium. Safe for all inhabitants of reef and marine fish-only aquaria. Each ml eliminates 1 ppm phosphate in 4 US-gallons of water(250 ml treats 1,000 US-gal). Helps... -
On Sale 15%
Filter Sock 200 Micron Welded (7" x 16") - Seachem
Seachem$8.98$7.63Filter socks are a critical component in maintaining water quality in aquariums. They remove suspended debris and detritus, which often lead to excess dissolved organics, nitrate, and phosphate when left unchecked. This makes Seachem Filter Socks an... -
PRO-CARBON Activated Carbon (1000 ml) - Polyplab
PolypLab$19.99High performance activated carbon for crystal clear water in fresh-water and salt-water aquariums. PolypLab Pro Carbon is is an ultra high performance activated carbon manufactured under the most strict quality controls. Pro CarbonL - Highly... -
DM-1: In-Line Dual TDS Monitor - HM Digital
HM Digital$29.95The DM-1 is consumer friendly monitor measuring feed (input) water vs. product (output) water of a water filtration system at any time. This device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in variety of... -
Nano-Tech Bio-Spheres (1Kg / 2.2lbs) - Maxspect
Maxspect$27.49Each Sphere has a surface area of 580ft2 - 20 Spheres is roughly equivalent to 40+ pounds of Live Rock! Ultra-Compact Biological Filtration Media Maxspect’s Nano-Tech BioSpheres are a durable dense arrangement of smaller... -
(SAMPLE) Bulk GFO Phosphate Reducer Bayoxide (1/8 Gallon - 0.5 lb)
Kolar Labs$15.99This GFO is the Original GFO Bayoxide E33. High phosphate levels are a recipe for disaster in saltwater aquariums. It is a nutrient for nuisance algae and also hampers the formation of calcium skeleton in corals. There are several different methods for... -
10" 0.2 Micron (Absolute) ZetaZorb Sediment Filter Cartridge (SF-ZZ-0.2ABS-10) - Spectrapure
Spectrapure$44.99SpectraPure® ZetaZorb® Sediment Pre-Filter Cartridge – 0.2 Micron (Absolute), 2.8 inch Dia x 10 inch L for the worst sediment challenged areas! The unique technology employed in the construction of the SpectraPure® ZetaZorb®... -
10" Color Changing Silica Buster DI Resin Filter Cartridge (DI-SB-CI-10) - Spectrapure
Spectrapure$36.99Color-Indicating SilicaBuster™ Multi-Layer DI Cartridge - Standard 10in Twist-Top Shell, 2.8in dia x 10in L FEATURES: SpectraPure® SilicaBuster™ Mixed-Bed Multi-Layer Deionization Cartridges are fabricated with semiconductor grade resins... -
10" Carbon Block Filter Cartridge (1.0 Micron) - Generic
All Misc Brands$14.99Interchangeable with Spectrapure, Captive Purity's, Kent Marine's, AWI's, BRS's, and most residential/aquarium RO or RO/DI systems and SpectraPure® Eliminator Systems. - Remove chlorine, organics, taste and odor- Dual-purpose - combination sediment... -
Reef Nutrition Refugium Setup Kit (Medium)
SaltwaterAquarium$140.00The Reef Nutrition Refugium Starter Kit combines some of the best brands and elements in one convenient package. It includes a proven macro algae species (chaeto), large live amphipods (tigger), LIVE phyto to feed the pods, Cermedia filter... -
Bulk Aquarium Large Particle Carbon - Calgon (1/2 Gallon - 1.5 lbs)
Kolar Labs$15.99We’ve partnered with Kolar Labs to bring the best available aquarium carbon directly to consumers. Calgon Carbon’s CRYSTAL CAL granular activated carbon is true liquid phase activated carbon made for aquariums. This laboratory grade granular... -
7" High Flow Filter Media Cup (CLEAR) - Generic
SaltwaterAquarium$26.997" Filter Media Cup Our 7" Filter Media Cup will replace all those filter socks you have hanging around. Made out of a BPA free Polypropylene, this 4" Filter Media Cup is a solid one piece design, that holds any filter media. The round design allows the... -
MAXOUT PRO Saltwater Filter Media + Phosphate Remover (16 oz) - Fritz
Fritz Aquatics$19.99There are many benefits of using MAXOUT PRO. MAXOUT PRO removes toxins, metals and odors in the water column. High capacity carbon removes organics and polishes aquarium water. Proprietary resins unique to the MAXOUT PRO blend... -
On Sale 20%
200 Micron Felt Filter Sock w/ Plastic Ring (4 Inch) - Innovative Marine
Innovative Marine$10.99$8.79Micron Filter Socks Instantly improve your water quality with our pre-rinsed 200 micron filter socks. These highly durable mechanical filters help trap uneaten food, free floating particulate matter, micro-bubbles, and even dust from your aquarium... -
Reefer RSK-300 Protein Skimmer - Red Sea
Red Sea$369.00Designed with hobbyists needs in mind the highly effective flow dynamics of the REEFER™ Skimmer will maintain an optimal ORP (REDOX) level of over 350mv, a level that is normally associated with ozone treatment. RSK - 300 Footprint - 9.1... -
PS1 Protein Skimmer, up to 45 US Gal (170 L) - Fluval
Fluval$81.99Format: 3.1 L x 4.9 W x 13 H" (8 L x 12.5 W x 33 H cm) PS1 offers the same great protein-skimming performance of larger alternative brands, but with a space-saving, ultra-silent design that keeps the attention on your reef. Designed for... -
Mineral Mud Refugium Media 1 Gallon - Caribsea
Caribsea$37.99Mineral Mud™ - A unique blend of sediments that duplicate tropical fringing coastal mangrove environments. Its particles are in a size range compatible with soft, burrowing infaunal, macro animal assemblages. Ideal for mud refugiums,... -
10" High Capacity Color Indicating Mixed Bed DI Resin Filter Cartridge (DI-MB-CI-10HC) - Spectrapure
Spectrapure$51.99SuperDI™ Color Indicating Mixed Bed DI Cartridge - High-Capacity 10in Shell, 3in dia x 10in L FEATURES: SpectraPure® Color Indicating Mixed-Bed Resin Cartridges provide ultra-pure deionized water and are tested to 18 meg ohm purity. - 33%... -
Bulk Deionization Color Changing Resin (1 Liter Bag/1.63 lbs.) - Aquatic Life
Aquatic Life$24.99Our Nuclear Grade Color Changing Mixed Bed Resin physically changes colors as it becomes exhausted, allowing you to monitor the consumption of the DI resin and know when to change it out. If you use a TDS meter on your RO/RODI system we still recommend... -
10" RODI Standard (1.0 Micron) Sediment Filter - Generic
All Misc Brands$9.99Sediment Filter Cartridge - 2.5 in dia x 10 in L.Sediment Filters are high efficiency depth gradient density filter cartridges with almost absolute micron ratings.They are strongly recommended for areas with extremely high sediment levels like NY,... -
2 oz CleanSea Lettuce (Ulva Lactuta) - Algae Barn
AlgaeBarn$25.00ALL-NEW DURABLE PACKAGING! A fast-growing nutrient sponge. Sea Lettuce. is commonly found on shallow, rocky reefs worldwide. This delicate green algae prefers brightly lit waters with high nutrient levels. Thus, it can quickly reduce... -
Boyd's Chemi-Pure (10 oz) - Boyd
Boyd$9.95Chemi-pure can be used with all water types as a chemical absorption filter and ion generator and exchange unit to positively keep pH at a perfect constant level. Also fantastic for use with African Cichlids and Discus! Needs replacement only every six... -
BioCube Replacement Cartridge (2 Pack) - Coralife
Coralife$7.99BioCube® premium filter cartridges feature dual-action filtration. The dense woven floss acts as a prefilter to clear detritus and debris while the activated carbon removes odor, organics and discoloration. The rigid frame ensures that water passes... -
Replacement Lamp for Classic 25 Watt - Aqua Ultraviolet
Aqua Ultraviolet$71.05Replacement 25 watt quartz UV bulb lamp -
(TWO PACK) Purigen Bagged (100 mL) - Seachem
Seachem$20.76Purigen® is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes soluble and insoluble impurities from water at a rate... -
Tidal 110 HOB Power Filter (Up to 110 Gal) - Seachem
Seachem$91.34Tidal™ Power Filters are designed from the ground up to provide your aquarium with high-quality, comprehensive filtration. They are easy to use and adaptable to a variety of aquarium conditions. With a host of features including a self-priming... -
10" RODI MicroTec (1.0 Micron) Sediment Filter (SF-MT-1.0-10) - Spectrapure
Spectrapure$9.99SpectraPure MicroTec Sediment Filters are high efficiency depth gradient density filter cartridges with almost absolute micron ratings. They are strongly recommended for areas with extremely high sediment levels like NY, WA, ND, NC and IL etc. The... -
ReefMat Sump Modification Kit - Red Sea
Red Sea$15.70This kit was designed to be an effective tool for removing the internals of sumps, for cutting and removing silicon & glass panels to enable the installation of the Red Sea ReefMat filter. Kit Includes: 1x - Utility Blade Handle w/Regular Snap... -
10" Enduro DI Resin High Performance Cartridge (DI-MB-ENDI-10) - Spectrapure
Spectrapure$32.99The new Enduro™ DI is the latest addition to SpectraPure’s line of high performance and specialty DI cartridges. With a longer lifespan than the legacy mixed-bed or SilicaBuster™ DI cartridges, the Enduro™ DI spends more time... -
Xport BIO Dimpled Brick - 9" x 4.50" x 2.50" - Brightwell Aquatics
Brightwell Aquatics$47.31Xport-BIO Ultra-porous Biological Media with Superior Performance Characteristics. Overview: Utilizes NanoIntelex Technology to create an enhanced material with vast surface area for colonization by beneficial nitrifying bacteria, resulting in rapid... -
ROWAphos GFO Phosphate Removal Media (250 g) - D-D The Aquarium Solution
D-D Aquatics$21.99Rowaphos is the leading phosphate removal media for marine and reef aquariums. Rowaphos will not leach any phosphates back into the water. RowaPhos is a unique man made ferric hydroxide material specifically produced for efficient removal of phosphates,...