Lettuce & Leafy Green Bundle - Green Butterhead, Bok Choy, Romaine ph pH Probe - Low-impedance lithium

pH Probe - Low-impedance lithium glass membrane

the reading will not disappear after the pH meter leaves the test solution

EC Probe - Titanium alloy

The GroStar pH probe is featured with a anti-contamination double-junction reference system and blue gel inner electrolyte along with a lithium glass membrane

Comes pre-seeded at the correct seeding density to ensure optimum germination and vacuum sealed

Lettuce & Leafy Green Bundle - Green Butterhead, Bok Choy, Romaine ph pH Probe - Low-impedance lithiumSeeds and growth medium to grow a blend of Green Butterhead Lettuce, Bok Choy, and Romaine Lettuce. Approximately a six monthly supply of seeds and growth medium. Bundle contains: Pack of approx. 88 pelletized Green Butterhead Lettuce seeds Pack of approx. 484 bulk Bok Choy seeds Pack of approx. 88 pelletized Romaine Lettuce seeds 1 flat of Growth Medium 286 plugs Store seeds and growth medium in a cool, dry place.