US$ 28.99
the AZ waterproof pH pen is the clear choice
the light weight and durable die-cast aluminium housings offer cool
Bluelab Ph-4 Buffer Solution is used to calibrate the pH levels of your plants and make sure your Bluelab equipment is working correctly
The stone wool used for the Rockwool cubes is derived from basalt
Professors Nutrients Hydro Clay Balls - 10L inline fan the AZ waterproof pH penLighweight Expanded Clay Aggregate LECA Expanded Clay formed into small balls of varying diameter (8 16mm). Great aeration and drainage to maximise plant root growth
US$ 28.99
US$ 24.99
US$ 451.50