Cryptolaemus montrouzieri - Mealybug Destroyer - 1,000 adults Lamps This spare pH sensor is

This spare pH sensor is for HM Digital Waterproof pH Meter model P-200

bulb replacements and heat are the biggest problems indoor growers face

Designed to provide a cost effective way for farmers to rebuild mineral reserves of their soils and thus the nutritional value of their food

Designed exclusively for Hydrofarm by America's foremost lighting design engineers

Cryptolaemus montrouzieri - Mealybug Destroyer - 1,000 adults Lamps This spare pH sensor isShips Monday Thursday. Ships via Overnight methods. These Small, Predatory Beetles Feed On All Mealybug Species As Well As Aphids & Soft Scale! Cryptolaemus montrouzieri are effective predators for use as a biological control of mealybugs and other soft scale. These fast feeding, highly mobile ladybird beetles actively seek out mealybugs, consuming upwards of 250 mealybugs in a lifetime. Both larvae and adults are predatory and reduce the need for