Aquaclear AC50 Ultimate Filtration Kit by inTank & Oceanbox Designs

inTank™ Aquaclear AC50 Media Basket

What is this thing you say? Well it takes a great HOB filter and solves the problem, what in the world do I do with this thing? The AC50 is a great blank canvas but it needs a great companion like inTank.


  • Forces all water through filter floss first, can be changed without removal of basket
  • Forces water through all media
  • Water enters floss, then bottom chamber and finally through the top
  • Drop in design, no modifications necessary
  • Great for freshwater, saltwater, creating a fuge
  • Lid fits on filter over media basket
  • Removable shelf for more media options
  • 5-1/16″ Tall
  • 4-13/16″ Wide at top
  • 2-3/8″ Deep at top

Oceanbox Designs™ Magnetic Surface Skimmer

Allows surface scum to be removed via surface skimming and also hide the filter intake which is usually sore eyes in your beautiful reef tank. Our innovative Embedded Magnetic Mount System™ are 100% waterproof and rust-proof on both tank side (wet) and dry side. The enclosed super strong magnets ensure that the Surface Skimmer hold securely in place once set. Now we can take HOB filtration to the next level, keep your tank clean and your salt critters happy.

The Aquaclear 50 filter with an Overflow Box (Surface Skimmer) is great way to quickly set up a small pico/nano reef or a frag tank for which the tank can be easily put together and taken apart at will for frag swap, show, etc. Other viable setup including QT or hospital tanks are also great options to consider.


  • Remove Surface Scum (Organic Residue/Oil) Via Surface Skimming.
  • Strong Waterproof Magnets Mount (Wet/Dry Side).
  • Simple Drop-In Installation.
  • Hide Filter Intake Tube From View.
  • Adjustable Height To Fine Tune Overflow Level.
  • Slit Cut For Temperature Probe Mounting.
  • CNC Laser Cut Premium Craftsmanship.
  • Hand-Crafted In The Great State Of Texas, USA.

Filter Compatibility:

  • Aquaclear AC50

Tank Compatibility:

  • Rimmed Or Rimless Tanks
  • Magnets Hold Through Glass Thickness: <=8mm (5/16 in)


  • An Auto-Top-Off system is highly recommended to maintain the water level inside the overflow box, otherwise you may risk running the filter dry when the tank water is evaporated.