£39.54 Pack 5 Glass Test Tubes Test Tubes - Photometer- PT555 quantity Add to basket Category: Palintest Related products Yes / No – Calcium Hardness – Shaker Bottle – AD1016 £14.03 Add to basket LUMISO – Photometer 3in1- LMP003 £430.14 Add to basket Cuvette Brush – PT663 £5.16 Add to basket LUMISO – Photometer 6in1- LMP006 £587.10 Add to basket