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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
hydrate and calibrate pH probes as well as clean and test conductivity (ppm/EC) probes
Cold pressed from the seeds of the fast growing Neem Tree (Azadirachta indica)
Standard membrane included with system
Even better
They work with the microorganisms
Fast Fit® Tray Stand 4 ft x 8 ft athena hydrate and calibrate pH probesHeavy duty 4 ft x 8 ft quick assembly tray stand. Absolutely no tools required. Can be assembled in 5 minutes or less. Accommodates all popular brand (ID) inside dimension trays and reservoirs including Flo n Gro, Duralastics, Botanicare and more. Overall height is 25 in. Height from bottom bar to floor is 18 in without casters. Outside dimensions: 102 in length x 53 in wide. Inside dimensions: 100 in length x 51 in wide. Tray sold separately and may
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