GroStar GS1 pH Pen nutrient-combo creating a safe and super-fertile

creating a safe and super-fertile substrate

the elements in harmony

solvent-less press designed and developed specifically for the consumer

If you've been impressed by the immediate and powerful effect of G10 on the size and density of your flowers

Big Up also provides the final boost of energy that your plants need to finish the bloom cycle with some of the largest flowers you have ever seen

GroStar GS1 pH Pen nutrient-combo creating a safe and super-fertileIncludes: pH 7 & pH4 calibration solution (50ml bottle each), KCL storage solution (10ml bottle), lanyard and user manual Measures pH and temperature Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Easy to use design and fast calibration adjustment Double junction replaceable probe, so you dont have to discard the entire pen when the probe reaches its end of life Large 3 color backlit screen gives