PondMAX CAP100 Air Pump td_checked The Gt pH Calibration Kit

The Gt pH Calibration Kit Buffer 4 and 7 kit  includes solutions designed to ensure precise and accurate calibration of pH meters and testers

These slabs are an ideal multi-year (2 year) slab

you simply change the ratio between the two as your plants progress: there is no second set of bottles to buy when you go from grow to bloom

and apply at every watering

PondMAX CAP100 Air Pump td_checked The Gt pH Calibration KitPondMAX CAP100 Air Pump is extremely quiet, reliable and come in a compact and efficient design. Features & Benefits Special artificial rubber feet ensure a stable air output and pressure for consistent performance. Utilizes an advanced air compression system, damping system, and multi lever muffler to minimize noise levels effectively. Compact design ensures space saving installation while providing a long service life. Backed by a 2 year warranty