FILTRATION (899)
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  • Bashsea Smart Series 30x18x16 Sump - BLACK
    $489.00

    OUT OF STOCK

    No reviews

    COLOR OPTIONS:  Grey sides and top bracing with colored baffles and trim: Welcome to First Class!  The only triton based...

  • Trigger Systems Sapphire Cube Sump - 20"
    $509.99
    No reviews

    The Sapphire series is identical to the Emerald series except that it comes in a limited edition Sapphire blue color....

  • Bashsea 14x14x15" MANO Signature Series Sump - BLACK & BLUE
    $329.00
    No reviews

    Note:  Please check product title for color ordering. Welcome to First Class!   You don't want to miss out on these...

  • Bashsea 20x20x16" CUBE Ferrari Signature Series Sump - RED
    $429.00
    No reviews

    Welcome to First Class!   You don't want to miss out on these excellent craftsmanship.  Adorned in it's Black & Red,...

  • Aqua Ultraviolet 40 WATT Classic UV Sterilizer - 3/4" in/out
    $635.13
    No reviews

    Features Easy Twist Cap For Easy Quartz Sleeve Maintenance Just One Cap To Twist For Access To The Quartz Sleeve....

  • A00120 Aqua Ultraviolet 120WATT
    $1,655.33
    No reviews

    Features Easy Twist Cap For Easy Quartz Sleeve Maintenance Just One Cap To Twist For Access To The Quartz Sleeve....

  • IceCap GFO 120INT Media Reactor
    $192.49

    OUT OF STOCK

    No reviews

    Canister Media Reactor for In-Sump Aquarium Applications The IceCap INT Media Reactors are designed for in-sump applications and are plug-and-play...

  • IceCap Medium External Pro Algae Scrubber
    $401.49
    No reviews

    Fight Algae with Algae... Naturally IceCap PRO External Turf Scrubbers use algae as a natural water filter to remove nitrate,...

  • IceCap Small External Pro Algae Scrubber
    $296.99

    OUT OF STOCK

    No reviews

    Fight Algae with Algae... Naturally IceCap PRO External Turf Scrubbers use algae as a natural water filter to remove nitrate,...

  • Reef Octopus CO2 Top Cover 10" for Regal 250int,sss,ext. SRO5000int,sss,ext
    $50.59
    No reviews

    A Perfect Lid for a Perfect Fit This special lid is designed to precisely fit a range of Reef Octopus...

  • Reef Octopus CO2 Top Cover 6"
    $39.59
    No reviews

    A Perfect Lid for a Perfect Fit This special lid is designed to precisely fit a range of Reef Octopus...

  • Pax Bellum C36 diffuser disc 3pk
    $59.99 $80.00
    No reviews

    Pax Bellum The c36 diffuser disc 3pk is a replacement component for the c36 ARID reactor consisting of 3 diffuser...

  • IceCap CO2 Scrubber Large
    $175.99
    No reviews

    The IceCap CO2 Scrubber can be installed on just about any aquarium with a protein skimmer. Just connect the tubing...

  • IceCap CO2 Scrubber Medium
    $120.99
    No reviews

    The IceCap CO2 Scrubber can be installed on just about any aquarium with a protein skimmer. Just connect the tubing...

  • IceCap CO2 Scrubber Small
    $98.99
    No reviews

    The IceCap CO2 Scrubber can be installed on just about any aquarium with a protein skimmer. Just connect the tubing...

  • ME Coral Media Reactor 4x18
    $128.99
    No reviews

    The MEdia Reactor has been designed to be an advanced media reactor for ME GFO (Granular Ferric Oxide) and GAC...

  • IceCap Kalk Mixer 8"
    $450.99
    No reviews

    IceCap Kalk Mixing Reactor Available in 3 Sizes: Small - Ideal for Aquariums up to 100gal Footprint: 5.7" x 5.7"...

  • Lifegard Aquatics Turbo Reactors X-Large Side Flow
    $339.05
    No reviews

    LIFEGARD Turbo Reactors All Lifegard Turbo Reactors are engineered to the highest quality and efficiency to promote the growth of...

  • DROP1.2 drop-in upflow algae scrubber with Green Grabber surfaces - 1.2 cubes feeding per day
    $170.99

    OUT OF STOCK

    No reviews

    This is a great new item that compliments Real Reef and the Coral Fragging revolution.DROP1.2x dimensions: 3.25" wide x 6"...

  • Bashsea 30x15x16" Tuxedo Signature Series Sump - BLACK & WHITE
    $499.00
    No reviews

    Welcome to First Class! You don't want to miss out on these excellent craftsmanship.  Adorned in it's Black & White,...

  • Eshopps Eclipse M Overflow Kit
    $149.98
    No reviews

    The new Eclipse overflow box by Eshopps is a minimalistic design with a slim and clean black box that features...

  • Eshopps RS-100 4TH Gen Reef Sump
    $329.98
    No reviews

    An excellent choice for the introductory level Aquarist. Large open area for Protein Skimmer use as well as a spacious...

  • Trigger Systems Crystal Sump 30x12x15
    $334.99
    No reviews

    Trigger Systems specializes in aquarium sump manufacturing. We manufacture all sumps here in Dallas, TX. We build each sump as...

  • Eshopps AR200 Aqua Fuge Refugium
    $449.98
    No reviews

    Celebrate Creativity with ESHOPPS, AQUA-FUGE which features a NEW Creative & Innovative design. Featuring ESHOPPS unique Dual Water Channel Design...

  • IceCap AC Skimmer Controller
    $55.00
    No reviews

    Works with AC Protein Skimmers and Waste Collectors The IceCap AC Skimmer Controller easily connects to a skimmer lid or...

  • Eshopps PSK 100H 2nd Gen Hang-On Protein Skimmer - OPEN BOX RETURN
    $199.99 $284.99

    OUT OF STOCK

    No reviews

    OPEN BOX RETURN- SAVE 15% Due to insistent public demand, we are bringing back ESHOPPS PSK skimmer, the PSK-100H 2nd...

  • TMC Reef SKim 2.0 750 DC Protein Skimmer
    $289.99
    No reviews

    The TMC Reef Skim 2.0 750 DC Protein Skimmer is a high-performance device designed for efficient and quiet operation in...

  • Sicce Shark Internal Skimmer 150
    $149.99
    No reviews

    Shark SKIMMER 150 and Shark SKIMMER 300 are modern internal skimmers with a very compact and innovative Shark design for...

  • AquaReady HOB-1.5 Hang-on-Back Protein Skimmer
    $269.99
    No reviews

    Simple, Yet Effective Protein Skimming from AquaReady   Effortless Installation - Perfect for Standard Aquariums Without a Sump Powered by...

  • Red Sea REEFER Skimmer 900 DC Pump Upgrade Kit
    $250.00
    No reviews

    Upgrade Kit If you own a regular AC pump REEFER Skimmer, you can turn it into a smart DC skimmer...

  • Red Sea REEFER DC Skimmer 900
    $675.00
    No reviews

    REEFER DC Skimmer 900 (Controller Required, sold separately) Efficient. Quiet. Smart. The REEFER DC Skimmers include self-leveling technology that prevents over-skimming...

  • Red Sea REEFER DC Skimmer 600
    $575.00
    No reviews

    REEFER DC Skimmer 600 (Controller Required, sold separately) Efficient. Quiet. Smart. The REEFER DC Skimmers include self-leveling technology that prevents over-skimming...

  • Red Sea REEFER DC Skimmer 300
    $475.00
    No reviews

    REEFER DC Skimmer 300 (Controller Required, sold separately) Efficient. Quiet. Smart. The REEFER DC Skimmers include self-leveling technology that prevents...

  • Ultra Reef Akula UKS-200 DC Protein Skimmer
    $918.00
    No reviews

    Ultra Reef UKS-200 DC Controllable Protein Skimmer   Rated for Aquariums from 105 gallons to 238 gallons (400-900 Liters) Pump:Ultra...

  • Bubble Magus Curve 3 Extreme Protein Skimmer
    $169.99
    No reviews

    CURVE 3 EXTREME Small space save skimmers, perfect for small tank Dimensions:5.91" x 6.69" x 16.54" Rated Aquarium 27-80 Gallon...

  • Reef Octopus 6" KS150 Nilson Kalk Reactor
    $494.99
    No reviews

    Reef Octopus KS150 Nilson Kalk Reactor Footprint: 7.68″ x 7.68″ | Body Diameter: 6″ | Height: 26″ Requires control timer...

  • Reef Octopus 8" DC Calcium Reactor with Varios 4 Pump
    $824.99
    No reviews

    VarioS CR200 8 inch Calcium Reactor ApexReady Footprint: 15.2″ x 10.6″ | Body Diameter: 8″ | Height: 23″ Recirculation Pump:...

  • Bashsea Media Reactor 6-18
    $219.00

    OUT OF STOCK

    No reviews

    The Bashsea Media Chamber provides the largest media capacity in the industry. Extra large design allows for high media volumes,...

  • BashSea Media Reactor 6-12
    $169.00
    No reviews

    The Bashsea Media Chamber provides the largest media capacity in the industry. Extra large design allows for high media volumes,...

  • Bashsea Media Reactor 4-18
    $129.00
    No reviews

    The Bashsea Media Chamber provides the largest media capacity in the industry. Extra large design allows for high media volumes,...

  • Bashsea Pellet Master III
    $249.00
    No reviews

    Want a custom color?  Contact us pricing! The industries' leading bio pellet reactor used around the world for many reasons:...

  • Bashsea Bio Reactor 8-30
    $649.00
    No reviews

    Please Note: Due to global supply shortages, Bashsea is temporarily manufacturing this product without the gate valve until shortages are...

  • Bashsea Bio Reactor 8-24
    $559.00
    No reviews

    Please Note: Due to global supply shortages, Bashsea is temporarily manufacturing this product without the gate valve until shortages are...

  • Bashsea Bio Reactor 6-24
    $359.00
    No reviews

    Please Note: Due to global supply shortages, Bashsea is temporarily manufacturing this product without the gate valve until shortages are...

  • Octopus Bio Churn 90INT Reactor with HOB Bracket
    $263.99

    OUT OF STOCK

    No reviews

            └90 Int       Reef Octopus NEW Biopellet reactor series takes a innovative approach of...

  • Two Little Fishies PhosBan Reactor Extension Kit
    $4.98
    No reviews

    PhosBan Reactor Extension Kit

  • Two Little Fishies Reactor 550 O-Ring
    $2.49
    No reviews

    TLF Reactor 550 O-Ring

  • Two Little Fishies PhosBan Reactor 550
    $118.66
    No reviews

      The PhosBan Reactor 550 is designed with the upflow principle to achieve the most efficient use of PhosBan or...

  • SICCE PSK SDC 1200 Controllable Skimmer Pump 50-320gph
    $329.99
    No reviews

        Because SICCE’s NEW PSK SDC 1200 matches the same design and size of the popular traditional SICCE PSK...

  • Red Sea RSK 900 Reefer Protein Skimmer
    $599.00
    No reviews

    REEFERTM Skimmer Efficient - Quiet - Ergonomic Our high-performance REEF-SPEC® Skimmers feature a combination of PSK pumps with proportionally sized...

  • Bubble Magus Curve 7 Elite Protein Skimmer
    $369.99
    No reviews

    Bubble Magus Curve 7 Elite Series, Internal Protein Skimmer with Sicce PSK-600 Pump   Features: High quality polished cell cast...

  • IceCap Medium Skimmer Stand 9x7
    $36.29
    No reviews

    IceCap Adjustable Skimmer Stands Give Your Skimmer a Lift The IceCap Skimmer Stand makes it easy to raise protein skimmers...