Vostermans Varifan Variable Speed Drive (VSD-1C) eOne Micro Doser Grow Flow is available as

Grow Flow is available as a 12-site Complete System

Comes with plastic stopper to secure the string at the desired length

This formula contains more coir fiber and pumice stones

They include front and side bulkhead ports to accommodate an internal pump and allow multiple reservoirs to be joined in line or side-by-side

Instead the nutrients are directly available to the plant

Vostermans Varifan Variable Speed Drive (VSD-1C) eOne Micro Doser Grow Flow is available asThis variable speed module has a maximum load of 15 Amps. Compatible with a 0 10 V or 4 20 mA input signal. Internal minimum speed adjustment with possibility to work continuously at minimum speed. Comes in a rugged, sealed enclosure that protects from light, moisture and dust. Includes extended supply voltage range and a radio interference filter.