RKIN Carbon Block Filter Grow System/ Trays/ Reservoirs Decrease during flowering to keep

Decrease during flowering to keep nitrogen levels accurate

"The 0-day PHI is a game changer for our berry operation

inexpensive way to monitor the approximate acidity or alkalinity of your soil

The Neutralizer is the result of our hard work and dedication to achieve a unique product with astonishing results

RKIN Carbon Block Filter Grow System/ Trays/ Reservoirs Decrease during flowering to keepCarbon Pre Filter for Zero Installation Purifier or Flash Undersink Water System: Ensures the Reverse Osmosis membrane's long life span Removes chlorine and other disinfection by products Recommended replacement every 12 months or as needed