Smart humidity control for a steadier grow environment
A compressor-based dehumidifier built for grow tents and rooms. Connect to the GGS Controller or GGS AC5/AC10 via RJ12 and manage it in the Spider Farmer App (Bluetooth). Get automatic RH control, fan-speed and run-time scheduling, plus continuous drain with the included hose.
Selected by Stockholm Reptiles – why we chose it
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Real performance, year-round: A compressor outperforms cheap thermoelectric units—especially in cooler conditions.
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GGS integration: Seamless ecosystem control for RH targets and schedules.
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Tent-focused design: Dry-air outlet tailored for 2×2 ft (60×60 cm) up to 5×5 ft (150×150 cm) tents.
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Safe & convenient: Power-outage memory and support for your own timer.
Why a compressor (not semiconductor)?
Thermoelectric dehumidifiers struggle in low temps and aren’t reliable year-round. Compressor units—trusted in commercial setups—remove moisture up to 39× faster, delivering quicker results and lower energy bills.
How it works
Moist air in → moisture removed → dry air back to the space. Water collects in the built-in tank or goes out via the drain hose for continuous operation. Note: may raise tent temperature by 1–2 °C (2–4 °F)—a small trade-off for efficient RH control.
Where it shines
Summer humidity builds fast in tents, leading to mold/mildew risk and slower growth. This unit keeps RH stable for healthier plants—hobby or pro.
Grower-friendly features
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RJ12 to GGS — app-based RH control, fan speed and run-time
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Continuous drain — hose included for hassle-free long runs
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Power-outage memory — restores previous settings automatically
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Timer-ready — compatible with your own timer if preferred
Good to know
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Let the unit stand for 24 h before first use (compressor inside).
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Aim the outlet so dry air sweeps above the canopy, not directly at leaves.
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Pair with GGS SensorPro (VPD/PPFD/CO₂) for end-to-end climate control.
In the box
