Boveda 62% 1g Square - 1500 Pack Fungal + Mold Management and the low end is

and the low end is a minus rather than a plus

It draws just 2

The Ushio Pro-Plus pulls 2100 µmol/s PAR from a 1000W double-ended HPS arc tube at 2100K — matching the highest-output lamps in the DE HPS class for raw flowering intensity

860 CFM HAF Airflow: Even horizontal mixing clears hot

Output Voltage: 0~11

Boveda 62% 1g Square - 1500 Pack Fungal + Mold Management and the low end isBoveda 1g 62% Square Humidity Control Packs, 1,500 Count Each 1 g square pack holds up to an eighth, or 3. 5 g, at 62% RH. Pure water vapor crosses a reverse osmosis membrane in both directions, so a tube that dries out recovers. Square format sits flat against a lid or in the base of a jar. The comparison that matters is against the slim version of the same 1 g pack. Same weight, same fill, same setpoint, and only the outline differs. Square suits