---
product_id: 256239686
title: "Master Bloom A+B (1L) - Basic Bloom Fertilizer for the Flowering Phase of Plant | Universal Bloom Nutrition | Liquid Plant Nutrient | Indoor and Outdoor Bloom Stimulator"
brand: "xpert nutrients"
price: "AR$237755"
currency: ARS
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.ar/products/256239686-master-bloom-a-b-1l-basic-bloom-fertilizer-for-flowering
store_origin: AR
region: Argentina
---

# universal for all grows 2-part bloom booster liquid nutrient formula Master Bloom A+B (1L) - Basic Bloom Fertilizer for the Flowering Phase of Plant | Universal Bloom Nutrition | Liquid Plant Nutrient | Indoor and Outdoor Bloom Stimulator

**Brand:** xpert nutrients
**Price:** AR$237755
**Availability:** ✅ In Stock

## Summary

> 🌺 Unlock your garden’s full bloom potential with Master Bloom A+B!

## Quick Answers

- **What is this?** Master Bloom A+B (1L) - Basic Bloom Fertilizer for the Flowering Phase of Plant | Universal Bloom Nutrition | Liquid Plant Nutrient | Indoor and Outdoor Bloom Stimulator by xpert nutrients
- **How much does it cost?** AR$237755 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/256239686-master-bloom-a-b-1l-basic-bloom-fertilizer-for-flowering)

## Best For

- xpert nutrients enthusiasts

## Why This Product

- Trusted xpert nutrients brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual-Phase Bloom Power:** Two-part formula ensures maximum nutrient uptake during flowering.
- • **Universal Compatibility:** Perfectly balanced for soil, coco, and hydroponic systems alike.
- • **Dense, Saturated Flowers:** Formulated to produce visibly fuller, richer buds that stand out.
- • **Extended Bud Development:** Supports prolonged blooming for bigger, more generous yields.
- • **Optimized Dosage Control:** Precise 2-4 ml per liter dosing for tailored bloom stage nutrition.

## Overview

Xpert Nutrients Master Bloom A+B is a premium two-part liquid fertilizer designed specifically for the flowering phase of plants. Compatible with soil, coco, and hydroponic setups, it delivers precise nutrient ratios to promote dense, saturated flowers and extended bud formation. With easy dosing and universal application, it empowers growers to maximize bloom productivity both indoors and outdoors.

## Description

Master Bloom A+B (1L) - Basic Bloom Fertilizer for the Flowering Phase of Plant | Universal Bloom Nutrition | Liquid Plant Nutrient | Indoor and Outdoor Bloom Stimulator

## Features

- EXTENDED BUDS FORMULA - Two-part nutrient Formulated for generous blooming and strong buds
- EFFECTIVE BLOOM - Specifically formulated to provide plants with the ideal composition of nutrients for the bloom phase, increasing the crop’s ability to bloom productively
- PROPER NUTRITION - It ensures the proper nutrition of the plants and assists them in reaching their full potential
- DENSE & SATURATED FLOWERS - Master Bloom A&B has been formulated to provide plants with all the nutrients they need to create dense, saturated flowers
- GROWING ENVIRONMENT - Suitable for any growing method - Soil, Coco substrates, and Hydroponics
- DOSAGE - 2-4 ml / 1 L of water, depending on the stage of bloom of the plant. Shake well before use. For each application, use Master Bloom A and Master Bloom B in equal dosages.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 13 x 17 x 8 cm; 2.43 kg |
| Part number | 1 |
| Item volume | 2 Litres |
| Power source type | AC |
| Manufacturer | Xpert Nutrients |
| Item model number | Xpert Nutrients Master Bloom A+B |
| ASIN | B08NPTYVJG |

## Product Details

- **Brand:** Xpert Nutrients
- **Item form:** Liquid
- **Coverage:** flowering phase
- **Liquid volume:** 1 Litres
- **Mixing ratio:** 1:1

## Images

![Master Bloom A+B (1L) - Basic Bloom Fertilizer for the Flowering Phase of Plant | Universal Bloom Nutrition | Liquid Plant Nutrient | Indoor and Outdoor Bloom Stimulator - Image 1](https://m.media-amazon.com/images/I/61+E62ofj0L.jpg)
![Master Bloom A+B (1L) - Basic Bloom Fertilizer for the Flowering Phase of Plant | Universal Bloom Nutrition | Liquid Plant Nutrient | Indoor and Outdoor Bloom Stimulator - Image 2](https://m.media-amazon.com/images/I/71axBJymNLL.jpg)
![Master Bloom A+B (1L) - Basic Bloom Fertilizer for the Flowering Phase of Plant | Universal Bloom Nutrition | Liquid Plant Nutrient | Indoor and Outdoor Bloom Stimulator - Image 3](https://m.media-amazon.com/images/I/71Nw9TzALOL.jpg)
![Master Bloom A+B (1L) - Basic Bloom Fertilizer for the Flowering Phase of Plant | Universal Bloom Nutrition | Liquid Plant Nutrient | Indoor and Outdoor Bloom Stimulator - Image 4](https://m.media-amazon.com/images/I/71mhkHj3gdL.jpg)
![Master Bloom A+B (1L) - Basic Bloom Fertilizer for the Flowering Phase of Plant | Universal Bloom Nutrition | Liquid Plant Nutrient | Indoor and Outdoor Bloom Stimulator - Image 5](https://m.media-amazon.com/images/I/71ilnkXEchL.jpg)

## Available Options

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

## Questions & Answers

**Q: I would like to know how to use it, and how often. Thanks**
A: used from 2-4ml per liter depending on the size of the plant.can be used with any watering.on the label on the back there is a description in 8-9 languages

**Q: Is a for veggie stage and b for bloom stage**
A: no, part a and part b are for the flowering phase, more equal parts are mixed. On average 3-4ml per liter part A and 3-4ml part B.
for vegetation use the same brand Master Grow A/B

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great and good value
*by S***Y on 28 May 2025*

Easy to mix and gave great results. Using it on my plants this year and all is going great

### ⭐⭐⭐⭐⭐ Good
*by R***D on 22 January 2025*

Ronseal

### ⭐⭐⭐⭐⭐ Instant Improvements
*by L***N on 28 September 2024*

I'm so glad I got this. Immediate effects were seen overnight. Will be using for all future gardening.

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**Shop now:** [https://www.desertcart.com.ar/products/256239686-master-bloom-a-b-1l-basic-bloom-fertilizer-for-flowering](https://www.desertcart.com.ar/products/256239686-master-bloom-a-b-1l-basic-bloom-fertilizer-for-flowering)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-01-22*