Apera Instruments GroStar GS1 pH Pen Tester (Gen II) Nutrient A 352 bulk Dwarf Marigold seeds

352 bulk Dwarf Marigold seeds

and the minimal-waste GrowServe™ system

and the joy of growing their own food

(3) 1/2" Dams

5 Max Amps

Apera Instruments GroStar GS1 pH Pen Tester (Gen II) Nutrient A 352 bulk Dwarf Marigold seedsGet fast, accurate pH readings. Apera Instruments GroStar GS1 pH Pen Tester (Gen II) is a lab grade pH meter designed specifically for growers to easily manage crop success, featuring a durable and accurate replaceable sensor and a grower friendly workflow along with other intelligent functions and features that help reduce the guesswork and give you the confidence in every measurement. State of the art pH sensor tech The GroStar pH probe is featured