Growth Science Rock Solid - 55 GAL / 208 L microbes All pH probes eventually need

All pH probes eventually need to be replaced—they can only house so much reference solution

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Ultrasonically bonded edges provide improved product strength and integrity

is the ideal replacement for perlite

Growth Science Rock Solid - 55 GAL / 208 L microbes All pH probes eventually needGrowth 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