GroStar pH calibration kit (pH 4/7/10 8 oz. each) disinfectant Great for classroom growing experiments

Great for classroom growing experiments

16 x 22mm Insert for 22mm Rigid Pipe

The unit includes a rechargeable battery

but this 1/4″ Dry Tumbler is also available on a made to order basis for those that request it

multiple forms of Cellulase

GroStar pH calibration kit (pH 4/7/10 8 oz. each) disinfectant Great for classroom growing experimentsDescription Product Details: GroStar by Apera pH calibration kit (pH 4 7 10, 8 oz. each) Specifications Barcodes: 810214030034 (UPC A) Dimensions: 5. 0L x 7. 0W x 4. 0H (EA) Shipping Weight: 1. 5 lbs. Data Sheets Download the SDS P H 4. 00 Buffer Solution Apera Instruments: here Download the SDS P H ORP Storage Solution Apera Instruments: here Download the SDS P H 7. 00 Buffer Solution Apera Instruments: here Download the SDS P H 10. 01 Buffer