---
product_id: 551352834
title: "Primer B - Carbon-Based Nitrogen Phosphorus Potassium Plant Fertilizer 100% Bioavailable Nutrients Containing Organic Acids for Indoor House Plants Vegetables Tomatoes - 1 Gallon"
brand: "rooted leaf agritech"
price: "AR$269696"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/551352834-primer-b-carbon-based-nitrogen-phosphorus-potassium-plant-fertilizer-100
store_origin: AR
region: Argentina
---

# 100% Bioavailable 1 Gallon Size Buffered Nutrients Primer B - Carbon-Based Nitrogen Phosphorus Potassium Plant Fertilizer 100% Bioavailable Nutrients Containing Organic Acids for Indoor House Plants Vegetables Tomatoes - 1 Gallon

**Brand:** rooted leaf agritech
**Price:** AR$269696
**Availability:** ✅ In Stock

## Summary

> 🌿 Grow Like a Pro with Primer B!

## Quick Answers

- **What is this?** Primer B - Carbon-Based Nitrogen Phosphorus Potassium Plant Fertilizer 100% Bioavailable Nutrients Containing Organic Acids for Indoor House Plants Vegetables Tomatoes - 1 Gallon by rooted leaf agritech
- **How much does it cost?** AR$269696 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/551352834-primer-b-carbon-based-nitrogen-phosphorus-potassium-plant-fertilizer-100)

## Best For

- rooted leaf agritech enthusiasts

## Why This Product

- Trusted rooted leaf agritech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Vigorous Growth:** Unlock your plants' full potential with optimized nutrient ratios!
- • **Built-in Cal-Mag:** Consistent calcium and magnesium for thriving crops.
- • **No Burn, No Worry:** Buffered nutrients prevent root lock-outs and burns.
- • **High Bioavailability:** Experience 100% nutrient uptake across all pH levels.
- • **Complete Nutrient System:** All-in-one solution for every growth stage.

## Overview

Primer B is a carbon-based fertilizer designed for indoor plants and vegetables, featuring 100% bioavailable nutrients and organic acids. This 1-gallon solution promotes vigorous growth, ensures optimal nutrient uptake, and includes essential calcium and magnesium for robust plant health.

## Description

Primer B - Carbon-Based Nitrogen Phosphorus Potassium Plant Fertilizer 100% Bioavailable Nutrients Containing Organic Acids for Indoor House Plants Vegetables Tomatoes - 1 Gallon

## Features

- VIGOROUS GROWTH - Primer A&B's organic acid forms of minerals optimized the nitrogen to potassium ratios, promoting vigorous growth in both vegetative and flowering stages for all plants.
- HIGH BIOAVAILABILITY - Primer A&B's balanced blend of primary and secondary nutrients remain available for plants to take up across the full pH range, resulting in 100% bioavailability for all plants in your garden.
- BUFFERED NUTRIENT UPTAKE - Primer A&B contain fully buffered nutrients, which optimizes nutrient uptake while simultaneously preventing nutrient burns, lock-outs and tie-ups near roots.
- COMPLETE SYSTEM - Primer A&B contain all of the macro and micro nutrients plants need to thrive across their full lifespan, from vegetative to flowering.
- BUILT-IN CAL_MAG - Primer A&B contain a concentrated calcium and magnesium boost that delivers a consistent and predictable supply of these two minerals for high-value crops.

## Images

![Primer B - Carbon-Based Nitrogen Phosphorus Potassium Plant Fertilizer 100% Bioavailable Nutrients Containing Organic Acids for Indoor House Plants Vegetables Tomatoes - 1 Gallon - Image 1](https://m.media-amazon.com/images/I/61upbOiz+ML.jpg)
![Primer B - Carbon-Based Nitrogen Phosphorus Potassium Plant Fertilizer 100% Bioavailable Nutrients Containing Organic Acids for Indoor House Plants Vegetables Tomatoes - 1 Gallon - Image 2](https://m.media-amazon.com/images/I/61o2QmjV+IL.jpg)
![Primer B - Carbon-Based Nitrogen Phosphorus Potassium Plant Fertilizer 100% Bioavailable Nutrients Containing Organic Acids for Indoor House Plants Vegetables Tomatoes - 1 Gallon - Image 3](https://m.media-amazon.com/images/I/614BHkdNaUL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.com.ar/products/551352834-primer-b-carbon-based-nitrogen-phosphorus-potassium-plant-fertilizer-100](https://www.desertcart.com.ar/products/551352834-primer-b-carbon-based-nitrogen-phosphorus-potassium-plant-fertilizer-100)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-01-23*