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The cutting edge formula contains 15 different species of mycorrhizal fungi
They also capture nitrogen and help make phosphorus more available
Handy for direct pH testing of soils or pH soil solutions
Top quality components and construction
Four Outlet Aquarium or Pond Air Pump
GSE Controller Temperature & Min-Max hysteresis speed The cutting edge formula containsGSE Controller Temperature & Min Max hysteresis speed Overview This digital temperature, minimum , maximum speed controller with hysteresis setting is a temperature depended speed controller for ventilated rooms with one or more exhaust fans (up to 600 watt). The controller keeps the temperature constantly and impedes to run under the set minimum speed, as well to run over the set maximum speed. The hysteresis defines the temperature range. It can be
US$ 46.95
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