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it can be used anywhere and anytime to help you manage your crops' daily nutrient requirements
They are marked according to UL standards for use with either bulb
overvoltage protection
Expanded 4-digit dual-line display shows pH and temperature readings simultaneously
and imported cabbageworm
Grodan Stonewool Delta Gro-Blocks & Big Mama -monitors-&-timers it can be used anywhereGro Blocks are similar to a plant container. Need a 3 in pot? Then choose a 3 in Gro Block. Small plants can be fully grown in our larger Gro Blocks. Holes are perfect size for any 1. 5 in starter plug. Come in packs labeled with instructions. Big Mama is Grodan's largest block ever produced! Big enough to grow a large plant for its entire life. More than twice the amount of wool as our Hugo Block.
