Neptune DDR DOS Dual Reservoir product High Capacity GFO is the

High Capacity GFO is the best performing GFO we stock and capable of removing close to twice the phosphate as standard GFO by volume

The Hydra 64 HD has been redesigned making the reef lights more efficient with better aesthetics

They are REEF SAFE

The heater(s) can plug into the 12" outlet dongle that is built into the controller and can control up to two heaters at the same time

It is made from an ultra-pure source that contains extremely low amounts of aluminum and compared to traditional kalkwasser you can actually see the difference

Neptune DDR DOS Dual Reservoir product High Capacity GFO is theAn elegant and highly refined solution to two part liquid storage, the DOS Dual Reservoir's advanced features are Apex Ready! Each side stores two liters (2L) of fluid Connects directly to your DS Optical sensors inform your APEX when levels are low Strong, cast acrylic construction Low profile wont easily tip over Easy to refill Push fit tubing connections Use for 2 part (Alk Cal), additives and other applications Specifications Dimensions (approx)