Manometers: 2-100 PSI grow-light-bulbs Ensuring Perfect Drainage and Aeration:

Ensuring Perfect Drainage and Aeration: The air holes in the pots not only assist in root pruning but also ensure efficient drainage and aeration of the growing medium

Please see the below recommendations for both as well as recommended add-ons

The hoe blade is especially helpful for chopping thick stems and loosening soil

Remove the filter and set it aside

the Mini Scrubber provides instant access to chlorine-free water without the wait

Manometers: 2-100 PSI grow-light-bulbs Ensuring Perfect Drainage and Aeration:Description Five models are available covering a wide range Ideal for measuring low differential pressure in clean rooms, test and balance, medical equipment, HVAC, pneumatic systems and computer peripherals. Portable, and weigh only 5 oz. (150 g) including the battery. These meters are convenient for use in the lab, field or factory. All read gauge, and differential pressure in up to 11 units of measure and feature large, backlit displays, min max,