---
product_id: 583535726
title: "BioGreen Plant Self-Watering System Hydro MAX S | 0.3 gal | Irrigation Ø 23.6 in | Olla Made of Fired Clay | Watering Globe | Terracotta Water Saver for Gardens, Vegetables & Raised Beds"
brand: "bio green"
price: "HK$440"
currency: HKD
in_stock: true
reviews_count: 8
url: https://www.desertcart.hk/products/583535726-biogreen-plant-self-watering-system-hydro-max-s-0-3
store_origin: HK
region: Hong Kong
---

# 14 days watering autonomy Terracotta for natural root hydration 70% water saved BioGreen Plant Self-Watering System Hydro MAX S | 0.3 gal | Irrigation Ø 23.6 in | Olla Made of Fired Clay | Watering Globe | Terracotta Water Saver for Gardens, Vegetables & Raised Beds

**Brand:** bio green
**Price:** HK$440
**Availability:** ✅ In Stock

## Summary

> 💧 Stay effortlessly green with BioGreen’s smart self-watering system!

## Quick Answers

- **What is this?** BioGreen Plant Self-Watering System Hydro MAX S | 0.3 gal | Irrigation Ø 23.6 in | Olla Made of Fired Clay | Watering Globe | Terracotta Water Saver for Gardens, Vegetables & Raised Beds by bio green
- **How much does it cost?** HK$440 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/583535726-biogreen-plant-self-watering-system-hydro-max-s-0-3)

## Best For

- bio green enthusiasts

## Why This Product

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

## Key Features

- • **Customizable Capacity:** Choose from multiple sizes to perfectly match your plant’s needs.
- • **Water-Smart Efficiency:** Save up to 70% water with precision root-zone irrigation.
- • **Set & Forget Convenience:** Enjoy up to 14 days of worry-free watering—perfect for busy lifestyles.
- • **Versatile Garden Compatibility:** Ideal for raised beds, indoor plants, greenhouses, and more.
- • **Durable Terracotta Craftsmanship:** Premium fired clay ensures long-lasting, eco-friendly hydration.

## Overview

The BioGreen Hydro MAX S is a 0.3-gallon terracotta self-watering system that uses traditional olla irrigation to deliver water directly to plant roots, saving up to 70% water. Designed for up to 14 days of autonomous watering, it suits a variety of garden settings from indoor planters to raised beds, combining durability with eco-friendly efficiency for modern gardeners.

## Description

BioGreen Plant Self-Watering System Hydro MAX S | 0.3 gal | Irrigation Ø 23.6 in | Olla Made of Fired Clay | Watering Globe | Terracotta Water Saver for Gardens, Vegetables & Raised Beds

## Features

- Efficient Olla Watering System: Dive into the seamless integration of the olla pot or oya watering pot alternative. Bury the self watering olla up to its neck, fill, and cap for hassle-free refills once or twice a week. With the olla irrigation method, save up to 70% of water, ensuring precise hydration without waste. The clay watering pot, also known as a clay water jug or ceramic watering can, delivers consistent hydration directly to the plant's root zone, fostering vibrant growth.
- Hassle-Free Garden Maintenance: Leave behind the worries of overwatering or under-watering. Our automatic watering system for potted plants uses terracotta watering spikes to maintain a balanced moisture level. Whether you're busy or on vacation, our self-watering spikes provide up to 14 days of care-free watering, making it perfect for those who seek an efficient garden watering system.
- Durability Meets Versatility: Crafted with premium terracotta, our durable watering devices are built to last. Suitable for a range of settings - from raised garden beds, indoor planters to greenhouses, and more. The versatility of these plant watering bulbs makes them an indispensable tool for every gardener.
- Customize to Your Needs: With sizes ranging from 1, 3, to 6.5 liters, our automatic plant waterer is adaptable for all your watering needs. Whether you're employing them as plant waterer devices for large outdoor crops or using them as an automatic plant waterer indoor system for your cherished houseplants, Bio Green has you covered.
- Innovative Design for Modern Gardeners: Bio Green combines traditional methods with innovative technology. Our terracotta watering spikes and self-watering mechanism promote plant health while ensuring energy-efficient watering. Plus, the added drip irrigation system provides an extra layer of assurance for your plants. Embrace the future of gardening with Bio Green's sustainable plant hydration solutions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Volume Capacity | HM-S |
| Number of Pieces | 1 |
| Item Dimensions | 11.24 x 11 x 11 inches |
| Item Weight | 0.3 Kilograms |
| Size | Small |
| Material Type | Terracotta |
| Shape | Vessel |
| Style Name | Single |
| Control Type | Automatic |
| Additional Features | Self Watering |
| Power Source | Hand_powered |

## Product Details

- **Brand:** Bio Green
- **Size:** Small Set of 4
- **Style:** Rustic
- **Material:** Clay
- **Model Name:** HM-S

## Images

![BioGreen Plant Self-Watering System Hydro MAX S | 0.3 gal | Irrigation Ø 23.6 in | Olla Made of Fired Clay | Watering Globe | Terracotta Water Saver for Gardens, Vegetables & Raised Beds - Image 1](https://m.media-amazon.com/images/I/710NkMHyenL.jpg)
![BioGreen Plant Self-Watering System Hydro MAX S | 0.3 gal | Irrigation Ø 23.6 in | Olla Made of Fired Clay | Watering Globe | Terracotta Water Saver for Gardens, Vegetables & Raised Beds - Image 2](https://m.media-amazon.com/images/I/816jS8r1pkL.jpg)
![BioGreen Plant Self-Watering System Hydro MAX S | 0.3 gal | Irrigation Ø 23.6 in | Olla Made of Fired Clay | Watering Globe | Terracotta Water Saver for Gardens, Vegetables & Raised Beds - Image 3](https://m.media-amazon.com/images/I/8152tilj+YL.jpg)
![BioGreen Plant Self-Watering System Hydro MAX S | 0.3 gal | Irrigation Ø 23.6 in | Olla Made of Fired Clay | Watering Globe | Terracotta Water Saver for Gardens, Vegetables & Raised Beds - Image 4](https://m.media-amazon.com/images/I/91m5lHmNjEL.jpg)
![BioGreen Plant Self-Watering System Hydro MAX S | 0.3 gal | Irrigation Ø 23.6 in | Olla Made of Fired Clay | Watering Globe | Terracotta Water Saver for Gardens, Vegetables & Raised Beds - Image 5](https://m.media-amazon.com/images/I/81SMStzmfHL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Actually a year later
*by M***A on May 22, 2025*

This one was a replacement I accidentally broke over the winter. I originally got them last spring. They work perfectly for what is needed. And if you Square Foot Garden, 5 of these small ones is perfect for a 4x4 bed. It definitely made last season so much easier to manage in regards to watering and irrigation. I'd just go out twice a week, or 3x if it's really hot to refill. My plants definitely benefited last year. So I'm looking forward to season 2.

### ⭐⭐⭐⭐⭐ Olloa
*by M***A on April 27, 2025*

Works like it’s supposed to. This one holds less than a gallon of water but will definitely help plants that are newly planted

### ⭐⭐⭐⭐⭐ Best way to water raised bed
*by N***R on November 16, 2024*

A friend gave me a small size, and I liked it so much I bought a medium one for my raised bed. I just planted seedlings of carrots and Swiss chard. The carrots circle around the small one, and the Swiss chard encircle the medium one. The water is released slowly down to the roots, which is better than spraying the top of the soil.

## Frequently Bought Together

- Bio Green HM Hydro Max S System - Plant Watering Devices - OYA Watering Pot for Healthy Plants & Efficient Conservation - Olla Watering System While on Vacation - 1 Liter / 34 oz - Brown, Small
- Back to the Roots Self-Watering Terracotta Olla Pot, 700mL Provides 1 Week of Precision Watering
- Azen Garden Ollas Plant Watering Globes - Terracotta Self Watering Planter Insert - Watering Bulbs for Indoor and Outdoor Plants with Easy Top Refill System - Set of 4 (Jade Green)

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**Shop now:** [https://www.desertcart.hk/products/583535726-biogreen-plant-self-watering-system-hydro-max-s-0-3](https://www.desertcart.hk/products/583535726-biogreen-plant-self-watering-system-hydro-max-s-0-3)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-05*