In this type of automatic arm a
cylinder opens the vent when a set
temperature is reached.
Fertilizer is a key importance in hydroponic need a
balance of 11 nutrients. There are many brands,
many are organic. Just follow the directions on how
much to add per gallon.
We are are trying General Hydroponics a mixture
of three growth stage formulas. This brand is considered a
standard by many and does not clog pipes.

3 teaspoons of FloraGro per gallon

2 teaspoons of FloraMicro per gallon

1 teaspoon of FloraBloom per gallon
Photographer & Director –
Jared Hernandez
Producers –
Alonso Preciado and Eric Henriquez
Green Forest Middle School
Green Forest, Arkansas
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hydroponics systems powerpoint comp