---
product_id: 741043942
title: "Hiroku Koji Starter Spore Powder | Made in Japan | Yamiguchi (19.8 g=20g, (A) Long Platinum (White)"
brand: "yummy-yamaguchi"
price: "₩629"
currency: KRW
in_stock: false
url: https://www.desertcart.kr/products/741043942-hiroku-koji-starter-spore-powder-made-in-japan-yamiguchi-19
store_origin: KR
region: South Korea
---

# Maintains vibrant white color 20g makes 15kg rice malt Strong fermentation power Hiroku Koji Starter Spore Powder | Made in Japan | Yamiguchi (19.8 g=20g, (A) Long Platinum (White)

**Brand:** yummy-yamaguchi
**Price:** ₩629
**Availability:** ❌ Out of Stock

## Summary

> ⚪ Elevate your fermentation game with Japan’s purest koji starter!

## Quick Answers

- **What is this?** Hiroku Koji Starter Spore Powder | Made in Japan | Yamiguchi (19.8 g=20g, (A) Long Platinum (White) by yummy-yamaguchi
- **How much does it cost?** ₩629 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/741043942-hiroku-koji-starter-spore-powder-made-in-japan-yamiguchi-19)

## Best For

- yummy-yamaguchi enthusiasts

## Why This Product

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

## Key Features

- • **Maximize Yield:** One 20g pack effortlessly ferments up to 15kg of rice malt—efficiency meets mastery.
- • **Crafted in Japan:** Proudly made in Tokyo by a long-established Kyoto koji specialist—heritage you can trust.
- • **Unleash Authenticity:** Experience traditional Japanese koji flavor perfected over generations.
- • **Pure White Perfection:** Keeps your fermented creations bright and pristine, ideal for white miso and sweet sake.
- • **Versatile Fermentation:** Perfect for koji rice, salt malt, white miso, and sweet sake—expand your culinary repertoire.

## Overview

Hiroku Koji Starter Spore Powder is a premium 20g Japanese koji starter made in Tokyo by a renowned Kyoto specialist. Designed for strong fermentation and maintaining a bright white color, it can ferment up to 15kg of rice malt, making it ideal for crafting authentic white miso, sweet sake, salt malt, and koji rice with traditional flavor and unmatched purity.

## Description

Product description               IMPORTANT NOTICE: This koji starter is made for rice malt and wheat malt. Do not use for any other purpose. When making malt malt, be sure to clean tools, clothes, hands, etc.                  Ingredients               Koji

## Features

- This product is "Hiroku", a long-established koji starter specialty store in Kyoto. Made in Tokyo Japan
- The 20g package can be used to make 15kg (33lbs) rice malt (15kgs before adding water)
- This type of koji starter maintains a strong white color and is perfect for making white fermented foods/beverages such as koji rice, sweet sake, salt malt, and white miso
- It has strong fermentation power and has a traditional koji flavor

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Cuisine | Asian |
| Size | 0.7 Ounce (Pack of 1) |
| Number of pieces | 1 |
| Speciality | Koji |
| Manufacturer | Hishiroku Koji |
| Package Dimensions | 12.8 x 10.69 x 0.71 cm; 19.84 g |
| Manufacturer reference | 5Y-O3AN-78L5 |
| Package Information | Bag |

## Images

![Hiroku Koji Starter Spore Powder | Made in Japan | Yamiguchi (19.8 g=20g, (A) Long Platinum (White) - Image 1](https://m.media-amazon.com/images/I/61eWFar-wRL.jpg)
![Hiroku Koji Starter Spore Powder | Made in Japan | Yamiguchi (19.8 g=20g, (A) Long Platinum (White) - Image 2](https://m.media-amazon.com/images/I/51ju3HON7ML.jpg)
![Hiroku Koji Starter Spore Powder | Made in Japan | Yamiguchi (19.8 g=20g, (A) Long Platinum (White) - Image 3](https://m.media-amazon.com/images/I/51pMsl-tQxL.jpg)
![Hiroku Koji Starter Spore Powder | Made in Japan | Yamiguchi (19.8 g=20g, (A) Long Platinum (White) - Image 4](https://m.media-amazon.com/images/I/51h+T0iMpnL.jpg)
![Hiroku Koji Starter Spore Powder | Made in Japan | Yamiguchi (19.8 g=20g, (A) Long Platinum (White) - Image 5](https://m.media-amazon.com/images/I/6149RvLY5iL.jpg)

## Available Options

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

## Frequently Bought Together

- Hishiroku Koji Starter Spores Powder | Made in Japan | Yummy-Yamaguchi (0.7 oz = 20g, (A) Chohaku Kin (White))
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**Shop now:** [https://www.desertcart.kr/products/741043942-hiroku-koji-starter-spore-powder-made-in-japan-yamiguchi-19](https://www.desertcart.kr/products/741043942-hiroku-koji-starter-spore-powder-made-in-japan-yamiguchi-19)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-25*