Can this be used in a freshwater tank to raise the kh?

Yes but dosing is different. Follow the instructions on the bottle.

Join PRO & Unlock Exclusive Perks!

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan

Customer Services

About Us

Customer Support

Our Other Brands:Hewyn|Selfship

Reef Builder, 300g

Product ID: 186769543

Secure Transaction

Details

Brand
Seachem
Item Weight
12.8 Ounces
Item Form
Powder
Target Species
Coral
Allergen Information
Allergen-Free

🌊Calcium-rich

🌱Strontium support

🔬Magnesium boost

Description

🌟 Build Your Reef, Build Your Legacy!

ELEVATE YOUR REEF - Transform your aquarium into a thriving ecosystem with essential minerals.
ECONOMICAL EXCELLENCE - Get more value with every scoop—less waste, more growth.
PRECISION FORMULATION - Designed specifically for coral, promoting vibrant colors and robust health.
ALLERGEN FREE ASSURANCE - Safe for all aquatic life, ensuring a healthy habitat.
PROUDLY MADE IN THE USA - Trust in quality with every purchase, sourced from reliable manufacturers.

Seachem Reef Builder is a premium mineral supplement designed specifically for coral, containing essential elements like calcium, magnesium, and strontium to support optimal growth and health. With a user-friendly powder form and allergen-free formulation, this product is both economical and effective, ensuring your reef thrives while being proudly made in the USA.

Specifications

Brand	Seachem
Item Weight	12.8 Ounces
Item Form	Powder
Target Species	Coral
Allergen Information	Allergen-Free
Manufacturer	AQUATIC REMEDIES, AQUATIC REMEDIES , Reg. Off. #5, South Made Street, Kolathur , Chennai , Tamil Nadu-99 ; +91 7042836466
UPC	000116036603 015568977046
Global Trade Identification Number	00000116036603
Manufacturer	AQUATIC REMEDIES
Item model number	19264
Product Dimensions	12.45 x 6.1 x 5.84 cm; 362.87 g
ASIN	B00025K0PS

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

€ 27.41

Duties & taxes incl.

Netherlandsstore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

Secure Transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews