---
product_id: 46165565
title: "315 Watt Full Spectrum Ceramic Metal Halide Grow Light Bulb CMH 315W Superior Master Color Extreme Low Heat Enhanced Version (CMH 315w 4K)"
brand: "xtrahydro"
price: "€ 5.94"
currency: EUR
in_stock: false
url: https://www.desertcart.hr/products/46165565-315-watt-full-spectrum-ceramic-metal-halide-grow-light-bulb
store_origin: HR
region: Croatia
---

# 520 µmol/s photon flux 32000 lumens brilliance Ultra low heat output 315 Watt Full Spectrum Ceramic Metal Halide Grow Light Bulb CMH 315W Superior Master Color Extreme Low Heat Enhanced Version (CMH 315w 4K)

**Brand:** xtrahydro
**Price:** € 5.94
**Availability:** ❌ Out of Stock

## Summary

> 🌱 Grow smarter, not hotter — light up your success with CMH 315W!

## Quick Answers

- **What is this?** 315 Watt Full Spectrum Ceramic Metal Halide Grow Light Bulb CMH 315W Superior Master Color Extreme Low Heat Enhanced Version (CMH 315w 4K) by xtrahydro
- **How much does it cost?** € 5.94 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/46165565-315-watt-full-spectrum-ceramic-metal-halide-grow-light-bulb)

## Best For

- xtrahydro enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Quality:** Backed by a 1-year warranty for peace of mind and reliable operation.
- • **Cool Running Tech:** Extreme low heat design protects your plants and reduces cooling costs.
- • **Unmatched Brightness:** Illuminate your grow space with a powerful 32,000 lumens output for vibrant plant growth.
- • **Optimized Photon Flux:** 520 µmol/s ensures maximum photosynthesis efficiency, boosting your yields.
- • **Long-Lasting Performance:** Rated lifespan of 15,000 hours means fewer replacements and consistent results.

## Overview

The 315 Watt Full Spectrum Ceramic Metal Halide Grow Light Bulb delivers 32,000 lumens and 520 µmol/s photon flux for superior plant growth. With a 15,000-hour lifespan and enhanced low heat output, it ensures efficient, long-lasting performance backed by a 1-year warranty.

## Description

Product Name : 315 Watts ceramic lamps Product Code : XTRAHYDRO-CMH315W -4K Product Type : Single Ended Performance Data :  Lumen Output（lm） : 32000 Mean Output（lm） : 30000 Photon flux（µmol/s） : 520 Rated Life(Hrs.) : 15000 CCT（K）* : 4200* Chromaticity (x,y) : X=0.37 y=0.38 Color Rendering Index（CRI） : 95+ T90% Warm Up Time（min） : 10 Restart Time (min) : 15-20 Operation Position : U Physical Data/Requirements :  Base Designation : PGZX18 Bulb Designation : T38 Bulb. Diameter（mm） : φ38 Max Overall Length（MOL） (mm) : 193 Light Center Length（LCL） (mm) : 89 Max Base Temperature (℃) : 250 Max Bulb Temperature (℃) : 350 Luminaires type : Open wide Electrical Data/ Requirements :  Lamp Wattage(W) : 315 Operating Voltage(V) : 100 Operating Current(A) : 3.15 Min. open circuit voltage(RMS) : 198 Min Max Starting Pulse (kV) : 3.0～4.5kV Min Pulse Width at 3000v (µs) : 2 Min pulse Rate per 1/2 Cycle : 1

## Features

- Product Code : XTRAHYDRO-CMH315W -4K
- Lumen Output（lm） : 32000
- Photon flux（µmol/s） : 520
- Rated Life(Hrs.) : 15000
- Warranty: 1 year

## Product Details

- **Brand:** XTRAHYDRO
- **Light Type:** Metal Halide
- **Special Feature:** Full Spectrum
- **Wattage:** 315 watts
- **Bulb Base:** G5

## Images

![315 Watt Full Spectrum Ceramic Metal Halide Grow Light Bulb CMH 315W Superior Master Color Extreme Low Heat Enhanced Version (CMH 315w 4K) - Image 1](https://m.media-amazon.com/images/I/61hjRgf6tNL.jpg)

---

## 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.hr/products/46165565-315-watt-full-spectrum-ceramic-metal-halide-grow-light-bulb](https://www.desertcart.hr/products/46165565-315-watt-full-spectrum-ceramic-metal-halide-grow-light-bulb)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-20*