JBL FixSet 12/16 CristalProfi e4/7/900/1 Hose/ Pipe Cleaner Contains 250 tests and includes

Contains 250 tests and includes 1 test bottle

Potassium deficiency is manifested by yellowing of edges and tops of the leaves

according to your needs

this feeds the next generation of algae

JBL FixSet 12/16 CristalProfi e4/7/900/1 Hose/ Pipe Cleaner Contains 250 tests and includesUniversal set with suction pads and spacers for external filters, Accessory for external filters: suction pad and spacer set for pipes and hoses Easy to install: connect the clips to the suction pad, attach to the pipe or hose, attach in desired position 2 suction pads with clips: distance from pipe centre to wall 2 cm, 2 suction pads with spacer clips: distance from pipe centre to pane: 3. 5 cm Separately available: with 2 spacers of different