CYCO pH 4.0 Solution Size:Liter water proof #5 zipper is

water proof #5 zipper is sewn to a 950-denier high-density polyethylene backing that has a permanent high-tack acrylic adhesive

Come in packs labeled with instructions

Azos enhances growth by converting atmospheric nitrogen into a usable form available to plant roots

The system blocks light and keeps the top of your medium moist for a more even dry down

Now features additional hanging holes for V-hangers that are included with every fixture

CYCO pH 4.0 Solution Size:Liter water proof #5 zipper isThe most common reasons for pH meter error is dry storage of the electrode and electrode contamination. These cause loss of accuracy, reduced performance and slower response times. Thoroughly clean the electrode after use and always store your pH meter with the cap firmly in place. Frequency of meter calibration is crucial and will optimize your pH meters performance. For calibration of pH meters at pH 4. 0, pH buffer 4. 0 @ 25C (77F) based on