---
product_id: 53872304
title: "Netponics 12 Rockwool blocks for Hydroponic system, bored for placing of jiffy pellets (3 inch)"
brand: "netponics"
price: "2 zł"
currency: PLN
in_stock: false
reviews_count: 8
url: https://www.desertcart.pl/products/53872304-netponics-12-rockwool-blocks-for-hydroponic-system-bored-for-placing
store_origin: PL
region: Poland
---

# 3" width 340g weight 1" bore Netponics 12 Rockwool blocks for Hydroponic system, bored for placing of jiffy pellets (3 inch)

**Brand:** netponics
**Price:** 2 zł
**Availability:** ❌ Out of Stock

## Summary

> 🌿 Grow Beyond Limits with Netponics!

## Quick Answers

- **What is this?** Netponics 12 Rockwool blocks for Hydroponic system, bored for placing of jiffy pellets (3 inch) by netponics
- **How much does it cost?** 2 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/53872304-netponics-12-rockwool-blocks-for-hydroponic-system-bored-for-placing)

## Best For

- netponics enthusiasts

## Why This Product

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

## Key Features

- • **Hydroponic Harmony:** Perfectly crafted for hydroponic systems and greenhouse setups.
- • **Compact & Efficient:** Dimensions designed for optimal space utilization.
- • **Quality You Can Trust:** Manufactured by HDIUK, a leader in hydroponic solutions.
- • **Seamless Transplanting:** Bored design for effortless seedling and cutting transfers.
- • **Elevate Your Growth Game:** Experience professional-grade results with every seedling.

## Overview

Netponics 12 Rockwool blocks are expertly designed for hydroponic systems, featuring a 3-inch width and a 1-inch bore for easy transplanting of seedlings and cuttings. Weighing in at just 340g, these blocks are perfect for maximizing your greenhouse or hydroponic setup.

## Description

Product Description          Blocks are bored to easily transplant seedling or cuttings at early stage development. Rock wool blocks.             Box Contains          6 Blocks of Rockwool

## Features

- High quality professional results
- Blocks are bored to easily transplant seedling or cuttings at early stage development
- Hydroponic systems or greenhouse growing
- 3 Inch block width and 1 inch bore

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 22.86 x 15.24 x 12.7 cm; 340 g |
| Part number | GroD3in1in |
| Manufacturer | HDIUK |
| Item model number | GroD3in1in |
| ASIN | B071KG2VCV |

## Images

![Netponics 12 Rockwool blocks for Hydroponic system, bored for placing of jiffy pellets (3 inch) - Image 1](https://m.media-amazon.com/images/I/91fkwTVzZjL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ manageable
*by T***8 on 24 February 2021*

I bought wrong size the 3inch are too small for my seedlings 🌱! But I can manage need me tape measure next time so get right size. Other then that there ok

### ⭐⭐⭐⭐⭐ As expected
*by P***M on 3 May 2021*

Arrived on time and in perfect order. Well packaged too.

### ⭐⭐⭐⭐⭐ Good stuff
*by A***R on 11 December 2018*

The real stuff, you probably need the smaller plugs to insert into the hole in the middle of these 6"

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pl/products/53872304-netponics-12-rockwool-blocks-for-hydroponic-system-bored-for-placing](https://www.desertcart.pl/products/53872304-netponics-12-rockwool-blocks-for-hydroponic-system-bored-for-placing)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-05-01*