OCR 900 The Trolmaster DSD-1 Dry-contact module

The Trolmaster DSD-1 Dry-contact module provides a simple and flexible solution to users who want to connect to & control devices using the Hydro-X or Aqua-X using a “dry-contact” or relay to activate the device

Potassium Sulfate

enzymes play a vital role in our digestion

CANNA PK 13/14 is a mixture of top quality nutritional minerals that stimulate flowering

OCR 900 The Trolmaster DSD-1 Dry-contact moduleOCR CO2 tents, with their clever designs, quality materials and high level of finish, are the best that is currently available in the market. The OCR tents consist of a robust metal structure and high quality, lightweight canvas covered with an extremely reflective silver coating that significantly increases the light intensity on the inside (diamond reflection). The canvas has effective resistance to tearing, it is heat, oil, grease and moisture