We conduct our pH and ppm test on Fox Farm’s Grow big which is a grow nutrient that is used mainly in the vegetative phase of cannabis and weed plants.

Grow big is also part of fox farms trio of nutrients and is one of the easiest sets for growing weed.

A chart that lays out our preferred feed schedule using this nutrient can be seen here.

This is part of our How Weed Test Series and is intended to give you an idea of how this nutrient changes the pH and ppm so you can more accurately plan your feed schedule.

You can use these measurements as a reference to plan your feedings ahead of time.

Fox Farm Items In The Video

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