The BioTek Marine Tek Series Sumps are now available in Tek Red are of exceptional build quality and elegantly designed for the aquarist that desires the highest quality feature rich design.  All Tek sumps include a probe holder which will hold up to 4 probes.  The Tek probe holder adjusts as you adjust the height of the baffle wall so that the probe tips will always remain submerged at the same water level.  48″ Tek series sumps includes 2 heater brackets that secures your aquarium heater in the back of the sump.


  • 100% American-made using only the finest American-made materials
  • Four part proprietary gluing process for the strongest acrylic welds possible
  • Enclosed Filter Sock Compartment
  • 3 x 1 1/2″ Return union with slotted drain silencer for quiet operation (can be reduced with a reducer bushing if necessary)
  • Filter sock compartment enclosure design to eliminate salt creep and reduce noise
  • Clear viewing panes on the front panel
  • Includes 2 x 7″ 200 micron nylon filter socks
  • Laser engraved features
  • 2 x Heater holder
  • Auto-Top-Off line feed holder
  • 4 Slot Probe Holder
  • Adjustable height baffle walls
  • power cord notches
  • Bio-Media for eliminating micro bubbles & for colonizing probiotic bacteria
  • Skimmer compartment
  • Cast acrylic – Grey, Red & Clear


  • Outside Dimensions: 48″ Lx 18″ W x 16″ H
  • Middle Section:
  • Filter Media Section:
  • Return Section:

Due to this items size and weight it does carry a flat rate shipping charge.