TL Reefs Magnetic Locking Frag Rack, Single Display Accessory Do not grind it while

Do not grind it while rinsing

auto water changes

Tank Size: Up to 250 Gallons

The low level switch is closed when at the bottom

TL Reefs Magnetic Locking Frag Rack, Single Display Accessory Do not grind it whileThese frag racks will not disappoint! They will securely hold your frags in place, on aquariums up to 3 4" thick. FDA grade silicone locking layer holds plugs securely. Nothing will knock them out. Strong Neodymium magnets hold the rack securely in place on aquarium thicknesses up to 3 4" Magnets are completely encased in cell cast acrylic and will never get water in them. No worries about rusting magnets causing water quality issues.