Growth Science Rock Solid - 55 GAL / 208 L Ventilation 2 315W Bulbs are included

2 315W Bulbs are included (4200k)

For outdoor growers

7-gallon reservoir

This ready-to-use spray is formulated with naturally occurring enzymes and no animal products or by-products

Another huge benefit is that we created Calyx Magnum without the use of chemical chelates like EDTA

Growth Science Rock Solid - 55 GAL / 208 L Ventilation 2 315W Bulbs are includedGrowth Sciences Rock Solid is a powerful, cost effective bloom booster for the flowering cycle that doubles as a P K booster to provide additional phosphorus and potassium in bloom. Rock Solid also incorporates proprietary plant extracts in this blend to aid in flower site development. These added components facilitate improved overall harvest yields as well as maximized resin and aromatic production. Why use Rock Solid? The secret to Rock Solids