Complete Aquaponics system using recycled water carboys, top half container is used as filtration and plant growbed, two connected containers hold almost 10 gallons of water, Both can hold fish. No direct plumbing connec
Aquaponic System - Countertop 3, self contained system using recyled water carboys. Uses 2 feet of space. Includes all containers, pipe, connectors, filter material, air pump, and air diffuser.
Geiger Counter, Versatile, easy to use and compact precision instrument for measuring alpha-, beta- and gamma-radiation. Filter selection switch at the front of the Geiger-Muller counter tube for filtering out types of radiation
Nexpensive, compact counter for measuring milliseconds. Each count is started and stopped by a signal at the input sockets. The device is automatically reset to zero each time it is restarted.
Aquaponic system top half barrel is used for filtration & aLSo a growbed for plants, two connected barreLS hold almost 100 gallons of water. Both barreLS can hold fish giving you the flexibility to separate sizes or s