Water pumped from 100 gallon tank, with 1/5hp submersible pump thru 100um filter then to watering rings. Yes.. There is an Orchid in there as well.. Getting a well deserved pampering

Starting watering cycle: 30 seconds on.. Every 4 Hours. Water returned to bulk tank vis black hoses at base of grow containers via simple condensate pump.

Four "Earth Boxes" contain 150 liters of Hydrotron.

Seedlings in 6x6x4 Rockwool blocks for support during early growth.

1 Hour rinsing of Hydrotron to Ph stabilize prior to planting of seedlings