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  • MarcoRocks Reef Saver Premium Rock RUBBLE (10 lb) Box - Marco Rock

    MarcoRocks Reef Saver Premium Rock RUBBLE (10 lb) Box - Marco Rock

    MarcoRocks

    $28.99
    10lb Box of RUBBLE 8x8x8 Box of Marco/Stax Rubble (Mixed) Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system buried when the Florida land mass was formed.  Whether you are building a Saltwater fish only, a...
  • On Sale 25%
    (OVERSTOCK) (Expires 11/2025) (HI781-25) Marine Low Range Nitrate Checker Reagents (25 Tests) - Hanna Instruments
    On Sale 25%

    (OVERSTOCK) (Expires 11/2025) (HI781-25) Marine Low Range Nitrate Checker Reagents (25 Tests) - Hanna Instruments

    Hanna Instruments

    $16.00
    $11.99
    The HI781-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their HI781 Marine Nitrate Low Range Colorimeter. These reagents follow a colorimetric method in which the reaction between...
  • On Sale 37%
    (DAMAGED BOX) HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments
    On Sale 37%

    (DAMAGED BOX) HI775 Marine Alkalinity Checker HC (Freshwater) - Hanna Instruments

    Hanna Instruments

    $63.95
    $39.99
    The Hanna Freshwater Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color...
  • On Sale 15%
    STE 800W Digital Titanium Heater w/Guard UL (190-265 Gallon) - Finnex
    On Sale 15%

    STE 800W Digital Titanium Heater w/Guard UL (190-265 Gallon) - Finnex

    Finnex

    $129.99
    $110.49
    STE Titanium Heater Series Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller:  Smart 68-92 deg F, precise temperature control, +/- 1 deg F...
  • On Sale 17%
    Serene 13g Aquarium w/Lighting - Current USA
    On Sale 17%

    Serene 13g Aquarium w/Lighting - Current USA

    Current USA

    $229.95
    $189.99
    The Serene 13G freshwater aquarium features a modern, rimless ultra-clear 13-gallon glass aquarium, brilliant aquarium and background LED lighting, and a striking aquascape. Easy to set up, it’s perfect for smaller locations like desktops or...
  • On Sale 15%
    STE 600W Digital Titanium Heater w/Guard UL (120-150 Gallon) - Finnex
    On Sale 15%

    STE 600W Digital Titanium Heater w/Guard UL (120-150 Gallon) - Finnex

    Finnex

    $118.99
    $101.14
    STE Titanium Heater Series Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller:  Smart 68-92 deg F, precise temperature control, +/- 1 deg F...
  • On Sale 20%
    Aquatrance Water Circulation Pump AQ3000 - Reef Octopus
    On Sale 20%

    Aquatrance Water Circulation Pump AQ3000 - Reef Octopus

    Reef Octopus

    $99.99
    $79.99
    Efficient water pumps provide exceptional performance at an economical price. Great for return pumps and/or feed pump for media reactors. Max Flow: 925gph /Max Head: 9ft Great for Feeding Flow to Reactors and Recirculating...
  • On Sale 15%
    STE 400W Digital Titanium Heater w/Guard UL (80-100 Gallon) - Finnex
    On Sale 15%

    STE 400W Digital Titanium Heater w/Guard UL (80-100 Gallon) - Finnex

    Finnex

    $106.99
    $90.94
    STE Titanium Heater Series Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller:  Smart 68-92 deg F, precise temperature control, +/- 1 deg F...
  • On Sale 15%
    STE 200W Digital Titanium Heater w/Guard UL (40-60 Gallon) - Finnex
    On Sale 15%

    STE 200W Digital Titanium Heater w/Guard UL (40-60 Gallon) - Finnex

    Finnex

    $94.99
    $80.74
    STE Titanium Heater Series Safety: Redundancy circuit technology, non-resumable fuse, safety guard Titanium Heating Element: Virtually unbreakable, corrosion resistant Controller:  Smart 68-92 deg F, precise temperature control, +/- 1 deg F...