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Collection: Best Sellers

323 products
  • Feed Door - 6 Sizes, Fully Removeable, Tri-Brace Vented and Screened (No Condensation)
    Regular price
    from $30.00
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    from $30.00
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  • Cable Cord Cutout = Form-Fitting Style
    Regular price
    $4.00
    Sale price
    $4.00
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  • Auto Feeder Cutout for Neptune AFS with Food Guard (to Keep Food from Bouncing Out of Tank)
    Regular price
    $15.00
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    $15.00
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  • Evaporation Cover = Solid Frame, Catproof Style, 8mm Thick (Reduces Evaporation by 70-80% from Our Tests)
    Regular price
    $132.50
    Sale price
    $132.50
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  • Light Mount Cutout = Precision-Fit Around Entire Mount
    Regular price
    $12.00
    Sale price
    $12.00
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  • Overflow Cutout
    Regular price
    $15.00
    Sale price
    $15.00
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  • Food Regulator Cup = Multi-Color, Reef-Safe, Hexagon Checkerboard Floor, Disperse Food Over Time to Help Minimize Overcompetition
    Regular price
    from $27.00
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    from $27.00
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  • Solid Polycarbonate Auto Feeder Insert Door to Cover Auto Feeder Cutouts and Allow Them to be Moved or Taken Off the Tank
    Regular price
    $33.00
    Sale price
    $33.00
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  • Light Mount Cutout for EcoTech Radion RMS (Single and Multi-Light) = Precision-Fit Around Entire Mount
    Regular price
    $12.00
    Sale price
    $12.00
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  • Top Lids Custom Cutout (for fitting around Equipment that isn't standard, we will measure with you to ensure an accurate fit)
    Regular price
    $18.00
    Sale price
    $18.00
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  • AIO Guardrail 6" Long Section - Black (rests on top of AIO Wall to give platform for the back of your lid to rest on, and fills gap to stop jumpers)
    Regular price
    $5.00
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    $5.00
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  • Overflow Cutout.
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    $0.00
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    $0.00
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  • Perimeter Moonlight Channel (to upgrade your Top Lid with RGB Perimeter Moonlight Bar once developed)
    Regular price
    $10.00
    Sale price
    $10.00
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  • Waterbox Marine X 90.3 Custom Polycarbonate Screen Aquarium Top Lid
    fish tank lid replacement
    Regular price
    $263.00
    Sale price
    $263.00
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  • Top Lids Custom Engraving Personal Design Time with Engineer (Send Us a Design File and We Will Make It Part of Your Lid)
    Regular price
    $55.00
    Sale price
    $55.00
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  • Cable Cord Cutout = Quarter Circle Style
    Regular price
    $4.00
    Sale price
    $4.00
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  • Light Mount Cutout for AI Prime / Hydra Flex Wide Mount = Precision-Fit Around Entire Mount
    Regular price
    $12.00
    Sale price
    $12.00
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  • Blue Perimeter Moonlight Bar (to slightly illuminate the tank with blue light when the display lights go off)
    Regular price
    $170.00
    Sale price
    $170.00
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  • Waterbox Marine X 110.4 Custom Polycarbonate Screen Aquarium Top Lid
    Regular price
    $299.00
    Sale price
    $299.00
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  • Light Mount Cutout for Red Sea ReefLED 90 = Precision-Fit Around Entire Mount
    Regular price
    $12.00
    Sale price
    $12.00
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  • Eheim Everyday Height Spacer Piece
    Regular price
    $10.00
    Sale price
    $10.00
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  • Custom Overflow Cover = Separate Piece (in place of normal overflow lid)
    Regular price
    $45.00
    Sale price
    $45.00
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  • Light Mount Cutout for AI Hydra HMS Single Light Arm = Precision-Fit Around Entire Mount
    Regular price
    $12.00
    Sale price
    $12.00
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  • Waterbox Frag 105.4 Custom Polycarbonate Aquarium Screen Top Lid
    Regular price
    $318.00
    Sale price
    $318.00
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  • Light Mount Cutout for AI Hydra HMS Multi Light Horizontal Rail System Mount = Precision-Fit Around Entire Mount
    Regular price
    $12.00
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    $12.00
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  • Light Mount Cutout for AI Prime Rigid Narrow Mount = Precision-Fit Around Entire Mount
    Regular price
    $12.00
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    $12.00
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  • Auto Feeder Cutout with Food Guard (use this when don't know which Auto Feeder you're getting yet)
    Regular price
    $15.00
    Sale price
    $15.00
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  • Red Sea Reefer 900 3XL Custom Polycarbonate Aquarium Screen Top Lid
    Regular price
    $547.00
    Sale price
    $547.00
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  • Red Sea Reefer 350 Custom Polycarbonate Aquarium Screen Top Lid
    fish tank lid
    Regular price
    $296.00
    Sale price
    $296.00
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  • Red Sea Reefer 250 Custom Polycarbonate Aquarium Screen Top Lid
    Regular price
    $263.00
    Sale price
    $263.00
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  • Acclimation Door with Matching Lid for Safely Acclimating Fish / Coral in a Bag While Keeping the Tank Protected
    Regular price
    $39.00
    Sale price
    $39.00
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  • Waterbox Reef 180.5 Custom Polycarbonate Aquarium Screen Top Lid
    Regular price
    $494.00
    Sale price
    $494.00
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