Hydrologic Replacement Pleated Sediment Filter for stealth-RO Reverse Osmosis Filtration System grow-light-ballasts General frequencies of use: Every

General frequencies of use: Every 12 weeks throughout the growing season

Also contains non-plant food ingredients

The scientifically designed PHOTOBIO•T Duo LED Top Light can be applied indoors or in greenhouse environments as a direct 1000W HID alternative or retrofit

calibration solution for High testers

ONA Liquid is a versatile product and can be used in many different applications

Hydrologic Replacement Pleated Sediment Filter for stealth-RO Reverse Osmosis Filtration System grow-light-ballasts General frequencies of use: EveryReplacement filter for Hydrologic's stealth RO 100 Customized Reverse Osmosis Sediment Filter (HLRO100). Easy to install. Keep your water filtration system in tip top shape.