N-Primer | Nitrogen Fertilizer

N-Primer | Nitrogen Fertilizer by TPS Plant Foods

Vegetative growth sets the ceiling for everything that comes after — you can't flower a frame you never built. N-Primer is the nitrogen for that building phase.

Why it works:

  • 3.3-0-0 NPK — straight nitrogen for fast, even green-up
  • Gentle liquid formula — mix it into your normal watering, no separate feeding routine

Why buy direct

More than a bottle on a shelf.

  • Talk to real plant people. Questions about your plants? Our team makes the formula and answers directly — you're not on your own.
  • Made in-house, in the USA. Every bottle mixed and filled by us, not a third party.
  • Backed by our Healthy Plants Guarantee. Feed it for 30 days — if you don't see healthier growth, we'll make it right.
  • Bundle savings you'll only find here. Pair it with any other TPS formula and ship free over $15.