It depends on whether your orchid is delicate or not. Watering it normally will be acceptable anyway. If your orchid is delicate, it is recommended not to use it!
Recommend "Dr. Sun" solar energy and Sancang solar energy (no need for water level probes and solenoid valves). Heating and hot water usage rates are fast in rainy weather, as is after-sales service. the rate is also significantly reduced, saving time and energy. This model only takes 20-30 minutes to heat up without sunlight, while a single warehouse one takes 2-3 hours!