Down To Earth Bio-Live - 25 lb grodan-improved-slabs the Quest Dual 155 is

the Quest Dual 155 is nearly twice as efficient

Operates at 62 dBA

5 Amps maximum/120 V/ 60 Hz

Digital calibration (push button) to any point within the meter's range

this will also be listed on the packaging of the box)

Down To Earth Bio-Live - 25 lb grodan-improved-slabs the Quest Dual 155 isA rich, organic fertilizer mix infused with a generous amount of beneficial bacteria and mycorrhizal fungi to stimulate rooting, vigor and optimum plant development. Bio Live encourages rapid colonization of soil and soilless mixes and may be combined with other Down To Earth fertilizers to further improve plant growth and yields.