Spidend Aquaculture & Aquaponics The Johnson Gas CO2 Generator

The Johnson Gas CO2 Generator can easily be installed in any greenhouse with no expensive ductwork and the CO2 is diffused evenly through the greenhouse

The EC measurement range is 0

The 24 and 30 inch fans are belt driven and incorporate the Coolair exclusive stationary shaft design from the Coolair NBF type units

A perfect system for learning how to grow hydroponically using the recirculating nutrient film technique (NFT)

This berry seeder unit is corrosion resistant

Spidend Aquaculture & Aquaponics The Johnson Gas CO2 GeneratorSpider Mite Control Phytoseiulus persimilus Amblyseius californicus Predatory mites can be very successful in controlling spider mites as they will multiply nearly twice as fast as the spider mite population. As a preventative measure, introduce Phytoseiulus persimilus at the rate of 1 predator for every 5 sq. ft. of greenhouse area, just after transplanting. Repeat this two weeks after transplanting. Repeat this two weeks later. For control of an