Reliable climate control—powered by data
GGS monitors temperature, humidity, and VPD and lets you manage your environment via the Spider Farmer app (Bluetooth & Wi-Fi). Create schedules, track history, and fine-tune conditions for stable results—with minimal effort.
Selected by Stockholm Reptiles
We chose GGS because it delivers data-driven climate control in an accessible package. You get clear readings (Temp/RH/VPD), scheduling and smooth light transitions (sunrise/sunset), plus broad compatibility with Spider Farmer lights, RJ12 fans, and—via AC power strips—other equipment. Fast setup: sensor, cables, splitters, and a 2-in-1 adapter are included.
What you can do
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Automate the climate — control lights, fans, humidifiers and more based on real-time data. 
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Schedules & dimming — switch on/off, adjust brightness, and simulate sunrise/sunset. 
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Remote control & history — monitor and adjust in the app; view trends over time. 
Who is it for?
If you are running a grow tent/greenhouse, GGS provides a stable climate and reliable readings for consistent, confident care.
Compatibility
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LED lights: SF Series (excluding SF1000D, SF300, SF600), G Series, and SE Series. 
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RJ12 fans: Control on/off, standby speed, and oscillation; simulate natural wind. 
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Non-RJ12 fans & other gear: Control via GGS AC5 or GGS AC10 power strips (on/off channels). 
Good to know
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Day/night light sensor: Located on the side of the Temp/RH probe—keep it unobstructed for accurate readings. 
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VPD & logs: Make decisions from data, not guesswork. 
In the box
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1× GGS Controller (with power supply and wall-mount metal rail) 
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1× GGS Temperature & Humidity Sensor 
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1× GGS 2-in-1 Adapter (lights → controller) 
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2× RJ12 splitters 
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RJ12 cables: 6× 2.5 m + 1× 0.25 m 
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4× Hook-and-loop straps for cable management
 
 
How GGS works — in 3 steps
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Measure: Temp, RH and VPD via the probe. 
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Decide: The app compares readings to your targets (schedules/thresholds). 
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Act: Controls lights, fans and other gear (RJ12 or via AC5/AC10). 
Quick start (≈5 minutes)
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Mount the controller on the rail and power it up. 
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Plug in the Temp/RH probe (keep the side light sensor unobstructed). 
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Pair with the Spider Farmer app (Bluetooth → Wi-Fi). 
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Add devices and choose a preset or create your own schedule. 
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Enable sunrise/sunset ramps for gentle transitions. 
Solid baseline targets (example)
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Day: 26–28 °C, 55–65 % RH 
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Night: 22–24 °C, 60–70 % RH 
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Light: 08:00–20:00, 30-min ramp up/down 
Good fit / not a fit
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✅ You want a stable climate with less manual work. 
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✅ You use or plan to use Spider Farmer lights and RJ12 fans (or AC5/AC10). 
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❌ You must control mixed-brand gear without 0–10 V/RJ12/AC-strip options. 
Better measurements — placement tips
Place the probe out of direct light, in gentle airflow (not a draft), around mid-canopy height.
Quick FAQs
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Why VPD? More accurate leaf–air moisture balance than RH alone. 
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Need Wi-Fi? No for local use (Bluetooth). Wi-Fi is only for remote access. 
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Fluctuating readings? Move the probe away from heat sources and direct fan airflow. 
Pre-order
High demand—pre-order now. Estimated delivery: 7-15 working days.