Hades Down is used to lower the pH of nutrient solution
Never use an abrasive pad on any component of this machine
Your favorite 3-part nutrient system you need to get started in one box
Mini DIN Terminal (right) allows Direct Connection to EC/Temp Sensor
NPK: 0-39-25
Pulse PRO Environmental Monitor Grow Trays & Stands Hades Down is used toUnlock Intuitive, Remote Monitoring Of Your Grow Room With The Pulse Pro! The Pulse Pro is the big brother of the Pulse One, including all of the same features like remote monitoring of temperature, RH, light, and VPD, custom alerts, and integrated journaling, PLUS CO2 data, VOC data, PPFD PAR, spectrum & color analysis, light flicker frequency & includes a lithium ion rechargeable battery. Now, you can get out of the grow room without stressing about