Jack's Professional 21-5-20 All Purpose LX Water Soluble Fertilizer, 25 lbs. Hygrometers & Other Meters Designed to produce utra-high PPFD

Designed to produce utra-high PPFD for CO2 supplemented Grow Areas

A with highly durable plastic and comes with a manufacture's lifetime guarantee

Start using during week 5 in flowering at the rate of 6 ml per 5 gallons increasing to 20 ml per 5 gallons in week 8 of flowering

Increases nutritional value of food

If you’re looking for a large batch

Jack's Professional 21-5-20 All Purpose LX Water Soluble Fertilizer, 25 lbs. Hygrometers & Other Meters Designed to produce utra-high PPFDThis is the ideal fertilizer for moderate to high alkalinity water. This complete formula keeps magnesium and phosphorus soluble in concentration giving the grower ultimate flexibility when adjusting their nutrient program. It can be tank mixed with 15 5 15, other Jack's LX formulas as well as Calcium nitrate and or magnesium nitrate. For Use On: All bedding and potted plants, can be used for plugs at low rates Jacks Professional 21 5 20 All Purpose