---
product_id: 391425342
title: "Grodan Rockwool Starter Mini-Blocks | 1.5\" Blocks - Pack of 45 | +"
brand: "twin canaries liquid volume conversion chart"
price: "€ 50.84"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/391425342-grodan-rockwool-starter-mini-blocks-1-5-blocks-pack-45
store_origin: PT
region: Portugal
---

# high nutrient absorption capacity 1.5" premium rockwool blocks optimal oxygen retention for roots Grodan Rockwool Starter Mini-Blocks | 1.5" Blocks - Pack of 45 | +

**Brand:** twin canaries liquid volume conversion chart
**Price:** € 50.84
**Availability:** ✅ In Stock

## Summary

> 🌱 Elevate your green game with rock-solid roots and next-level growth!

## Quick Answers

- **What is this?** Grodan Rockwool Starter Mini-Blocks | 1.5" Blocks - Pack of 45 | + by twin canaries liquid volume conversion chart
- **How much does it cost?** € 50.84 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/391425342-grodan-rockwool-starter-mini-blocks-1-5-blocks-pack-45)

## Best For

- twin canaries liquid volume conversion chart enthusiasts

## Why This Product

- Trusted twin canaries liquid volume conversion chart brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Growth:** Includes exclusive Twin Canaries Liquid Volume Conversion Chart for foolproof nutrient management
- • **Rapid Root Revival:** Molten rock spun into ultra-absorbent cotton-candy fibers for explosive seedling growth
- • **Eco-Smart Starter Kit:** 45 durable, reusable Grodan blocks crafted for sustainable, professional-grade hydroponics
- • **Hydration Meets Aeration:** Superior nutrient solution retention balanced with oxygen flow to turbocharge root health
- • **Perfectly Sized Precision:** Compact 1.5" mini-blocks designed for seamless transplanting and space-efficient starts

## Overview

The Twin Canaries Grodan Rockwool Starter Mini-Blocks are 1.5-inch compressed molten rock fibers designed to maximize nutrient absorption and oxygen retention, promoting rapid seedling and cutting growth. Each pack includes 45 blocks and a handy liquid volume conversion chart, making it an essential, eco-friendly hydroponic starter kit for professional and hobbyist growers alike.

## Description

Grodan Rockwool Starter Mini-Blocks | 1.5" Blocks - Pack of 45 | +

## Features

- Made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs
- Has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth
- Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums
- Twin Canaries Chart included with every order!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 20.6 x 13 x 12.19 cm; 222 g |
| Manufacturer reference | BOLYDOOM |
| Number of Puzzle Pieces | 45 |
| Batteries Required? | No |
| Batteries Included? | No |
| ASIN | B07M6J77WK |

## Product Details

- **Brand:** Twin Canaries Liquid Volume Conversion Chart
- **Number of pieces:** 45
- **Item weight:** 0.22 Kilograms
- **Size:** 45 Blocks

## Images

![Grodan Rockwool Starter Mini-Blocks | 1.5" Blocks - Pack of 45 | + - Image 1](https://m.media-amazon.com/images/I/81AvP0IVM8L.jpg)

## Available Options

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

## Questions & Answers

**Q: should cubes be presoaked in just water or starter solution**
A: i just soaked mine in water, but a combination of both probably won't hurt.

**Q: should I cut the wrapper before planting in soil?**
A: Yes cut the wrapper off the roots will protrude out the bottom and sides

**Q: What is the dimensions of each cube**
A: 1.5" x 1.5"

**Q: how long should presoak these cubes**
A: I only soaked mine for 5-10 mins if that. Hope this answer helps.

## Frequently Bought Together

- Grodan Rockwool Starter Mini-Blocks | 1.5" Blocks - Pack of 45 | + Twin Canaries Chart
- HydroDynamics Clonex Rooting Compound, 100 ml
- Grodan Rockwool Delta GRO Blocks | 4" Cube - Pack of 6 | + Twin Canaries Chart

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-24*