Hanna Cal Check Solution, case of 25 bloom Use in combination with high

Use in combination with high quality base fertilizers like Roots Organics Buddha Grow and Buddha Bloom

this compact inline filter works quietly in the background to protect your plants and the beneficial microorganisms that make them thrive

Perfect for holding one 2' x 2' tray

DERIVED FROM: Ascophyllum Nodosum Seaweed

The Mega covers a 5 ft x 5 ft flower footprint and a 7 ft x 7 ft veg footprint

Hanna Cal Check Solution, case of 25 bloom Use in combination with highThese sachets are for use with the Hanna HI9813 6 GroChek portable pH TDS EC Temp meter, which utilizes the Cal Check Solution to determine whether the probe is in need of cleaning or replacement. The sachets should only be used once, then discarded, in order to avoid contamination and improper readings.