PH Probe Environmental Control All the pieces are cut

All the pieces are cut to fit

Under suitable growing conditions

Bend Strips and tear off

slight savoy leaf texture

The unique yellow color attracts certain insects to it and once they land

PH Probe Environmental Control All the pieces are cutThe Bluelab pH Probe is a replacement pH probe (electrode) suitable for use with Bluelab products that test the pH value of a solution. Unfortunately pH Probes do not last forever as they age through normal use and will eventually fail. With good care and use (keeping the probe tip wet and cleaning once a month) you will extend its life. The Bluelab pH test for hydroponics has a double junction reference which provides a longer life than many other pH