Photobio Phantom Advanced Quantum Par MeterPAR is the light that drives photosynthesis in plants. Measured on a quantum scale, PAR light ranges from 400 to 700 nm. However, the region brightest to human eyes is the area of least effect on plants, which is why the quantum par meter measures PAR light. This way you can make sure your plants are getting the right amount of the light they need to thrive. Measures photosynthetic active radiation (PAR) from 400 700 nm. Range of 0 to 10,000 umol.

This excellent all-purpose fertilizer can be mixed with any of our Gaia Green blends for outstanding results

and potting soils

Safe for use on food crops

Start with a quality nutrient

Soluble Potash (K2O) - 4

steel tubing and heavy-duty zippers

• Provides targeted

it works with nearly any 315W PGZX18 base single-ended CMH bulb

whiteflies and other flying pests that damage plants and vegetables

this user-friendly liquid fertilizer promotes vigorous growth and floral production

Provides suppression or top-kill of some perennials including plantain

your plants may not be getting enough nutrients