Hydrofarm Plant Yo-Yo with Stopper bag of 12 $20-$50 Diamond Black contains an exceptionally

Diamond Black contains an exceptionally high percentage of plant-active humates

Scientifically proven to improve the germination process and root structure under stress conditions

rich hues of purple in capable cultivars

and an aerating water pump

The SPH-1 hub uses a single RJ12 cable input jack

Hydrofarm Plant Yo-Yo with Stopper bag of 12 $20-$50 Diamond Black contains an exceptionallySupport your plants with our plant yo yo. Just hang it above the plant to support the stem. As your plant grows, retract the yoyo. This is gentle on plants and the yo yo string is 60" in length. Comes with plastic stopper to secure the string at the desired length.