Standard on all heaters
When the proper pH is achieved
An adaptive collar (available with XXL9 or as a separate) even allows growers to switch between pot sizes as required whilst still using the same tray
Shake Substra Flores A and Substra Flores B well before use
ARBICO Organics Green Lacewing Eggs, Pack of 50,000 Eggs Meters & Testing Standard on all heatersGreen Lacewing Larvae Consume Large Quantities of Aphids, Mites, Thrips, Whitefly & More! Quantities 1,000 25,000 ship via USPS. Quantities 50,000 250,000 ship via 2nd Day Air. Orders of more than 250,000 may require seven days to fulfill. All orders ship free to the 48 continental US states. Green Lacewing Preferred Food: aphids, mealybugs, spider mites, leafhopper nymphs, moth eggs, scale, thrips, and whiteflies. Green lacewing eggs provide the best