HF MYLAR 4 FT X 100 FT OA CHARCOAL FILTER The meter can be recalibrated

The meter can be recalibrated with digital calibration using the push buttons

5 - 40 - 30

Garden tip: Start with Open Sesame in the fifth or sixth week of a plant’s life

used as a top dress around established plants or steeped to make a potent liquid solution

Comes with plastic stopper to secure the string at the desired length

HF MYLAR 4 FT X 100 FT OA CHARCOAL FILTER The meter can be recalibratedMaximize your lighting setup without adding more lamps or additional heat sources. Hydrofarm's reflective metalized film makes the most efficient use of your lighting by reflecting light onto your plants. This makes your light effectively work twice for you. The light film unspools easily from a sturdy roll with no sticking or waste. The roll also makes it easy to store. Simply cut what you need to cover windows, walls, and more. You can even place