Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Natural Environment Aquatix

Products

Products

Natural Environment Aquatix

Seachem Reef Complete

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$12.99

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

One of the most important building blocks of coral growth and development is calcium. Seachem Reef Complete is a concentrated (160,000 mg/L) optimized blend of liquid ionic calcium that is designed to replicate the calcium levels fou...

Delivery & Returns

Natural Environment Aquatix

4.7 (377)

You might also like

seachem-reef-complete-250-ml

KensFish.com

Seachem Reef Complete

Natural Environment Aquatix

Seachem Laboratories Reef Advantage Magnesium Supplement

Seachem Reef Potassium - 500ml

J&L Aquatics Ltd.

Seachem Reef Potassium - 500ml

Seachem Flourish 250 mL planted aquarium supplement for freshwater aquatic plants

Tropical Treasures Wyo LLC

Seachem Flourish 250 mL – Freshwater Planted Aquarium Supplement

Seachem Replenish - 250 mL / 8.5 fl. oz.

Premium Aquatics

Seachem Replenish - 250 mL / 8.5 fl. oz.

Natural Environment Aquatix

Seachem Laboratories Reef Plus Supplement

Glass Aqua

Glass Aqua

Glass Aqua

4.7

(6.9K)

Micranthemum Monte Carlo - Carpet Aquatic Plant | Glass Aqua

Micranthemum Monte Carlo - Carpet Aquatic Plant | Glass Aqua

Java Moss - Glass Aqua

Egeria Densa Easy Aquarium Plant for Freshwater Tank | Glass Aqua

Anubias Nana Petite - Glass Aqua

Aquarium Depot

Seachem Reef Kalkwasser - 500 g

seachem flourish trace elements micro nutrients planted aquarium tank aquatic plants freshwater fertilizer 250ml 250 ml 000116074605 746

Blue Fish Aquarium

Seachem Flourish Trace - Micro Nutrient Supplement

Natural Environment Aquatix

Seachem Prime

Natural Environment Aquatix

MarinePure High Performance Biofilter Media Gems

Seachem Reef Advantage Magnesium - 600 Gram

J&L Aquatics Ltd.

Seachem Reef Advantage Magnesium - 600 Gram

Seachem Reef Adv. Calcium-English 500 g / 1.1 lbs

Premium Aquatics

Seachem Reef Adv. Calcium-English 500 g / 1.1 lbs

SL AQUA Black MORE Aquavital water conditioner for fish, showing the product bottle with black and blue labeling.

Exclusive offer available

Buce Plant

SL-Aqua Black MORE Aquavital for Fish

(6)

SEACHEM REEF PLUS 500 ML

Premium Aquatics

Seachem Reef Plus 500 ML

Natural Environment Aquatix

Seachem Laboratories Reef Builder Biological Enhancer

Seachem Reef Complete - 500 mL

J&L Aquatics Ltd.

Seachem Reef Complete - 500 mL

DustinsFishtanks

4.8

(33.3K)

Water Wisteria The Hardiest Hygrophila_Hygrophila Difformis_Aquarium Plant_Aquarium Plants_Aquarium Plant For Sale

Water Wisteria The Hardiest Hygrophila_Hygrophila Difformis_Aquarium Plant_Aquarium Plants_Aquarium Plant For Sale

Aquarium Depot

Seachem Reef Fusion 1 1L-34oz

Natural Environment Aquatix

Seachem Flourish Tabs

Seachem Reef Calcium - 2 Litre

J&L Aquatics Ltd.

Seachem Reef Calcium - 2 Litre

Aquarium Depot

Seachem Reef Reactor Large Grain 1-3cm 4L

Ultum Nature Systems UNS Reef System ATO accessory for auto top-off in reef aquarium setups.

Exclusive offer available

Buce Plant

UNS Reef System ATO

Natural Environment Aquatix

Seachem Flourish

Natural Environment Aquatix

Seachem Reef Builder

Natural Environment Aquatix

Seachem Reef Advantage Calcium

Buce Plant

4.6

(48.8K)

Dwarf Hair Grass UNS Tissue Culture Aquatic Plant - Buce Plant

Dwarf Hair Grass UNS Tissue Culture Aquatic Plant - Buce Plant

Christmas Moss Moss - Buce Plant

Ludwigia Natans Super Red Aquatic Plant - Buce Plant

Pistia Stratiotes/ Water Lettuce Aquatic Plant - Buce Plant

Natural Environment Aquatix

Seachem Reef Phytoplankton

Aquarium Co-Op

4.9

(6.9K)

Easy Green All - in - One Fertilizer - Aquarium Co - Op

Easy Green All - in - One Fertilizer - Aquarium Co - Op

Easy Root Tabs - Aquarium Co-Op

Pre Filter Sponge - Aquarium Co - Op

Easy Shrimp and Snail Shells - Aquarium Co - Op

Natural Environment Aquatix

Seachem Flourish Trace 250ml

Seachem Reef Complete 2 L / 67.6 fl. oz.

Premium Aquatics

Seachem Reef Complete 2 L / 67.6 fl. oz.

Blue Fish Aquarium

Seachem Reef Calcium

Seachem Laboratories Prime Ammonia Detoxifier 1ea/50Ml/1.7 oz.

54% off

PDS

Seachem Prime 50ml/1.7oz

Natural Environment Aquatix

Juwel Rio 290 LED Aquarium and Cabinet Set - 77 Gallon

Petstop

Seachem Flourish Excel

Nature Aquariums USA

Seachem Reef Fusion 1

Natural Environment Aquatix

Seachem Reef Strontium

Printed Reef

4.7

(1.3K)

Magnetic acrylic anemone acclimation box in black - closed view showing sleek design

Seachem Reef Advantage Calcium - 250g

J&L Aquatics Ltd.

Seachem Reef Advantage Calcium - 250g

Seachem Reef Fusion 2 - 4 L / 1 fl. gal.

Premium Aquatics

Seachem Reef Fusion 2 - 4L

Natural Environment Aquatix

Seachem Enhancer NPK

Seachem Reef Fusion #1 - 1Litre

15% off

J&L Aquatics Ltd.

Seachem Reef Fusion 1 - 1 Litre

CA$16.99CA$19.99

Aquarium Depot

Seachem Reef Complete - 500 ml

Dog routine essentials

Dog routine essentials

Shop leashes, bowls, and lick mats.

seachem-flourish-trace-250-ml

KensFish.com

Seachem Flourish Trace

(2)

Seachem Reef Complete - 2 Litre

J&L Aquatics Ltd.

Seachem Reef Complete - 2 Litre

horizon aquatics

Seachem Prime

(2)

Natural Environment Aquatix

Seachem SureStart

Seachem Flourish Excel Organic Carbon Source for aquatic aquarium Plants 000116145605 456 250 ml 250ml 8.3 oz

Blue Fish Aquarium

Seachem Flourish Excel - Organic Carbon Source for Plants

Seachem Laboratories Seachem

J&L Aquatics Ltd.

Seachem Reef Carbonate - 500ml

Natural Environment Aquatix

Seachem Laboratories Impulse 600 Multi-Function Aquarium Water Pump

Natural Environment Aquatix

Seachem Tidal 75 Foam - 2 pk

Keep your cat entertained

Keep your cat entertained

Felt toys, treat puzzles, and wobblers.

Natural Environment Aquatix

Seachem NutriDiet Vacation Tabs - 10 Tab Pack

Seachem Reef Fusion 1 - 4 L / 1 fl. gal.

Premium Aquatics

Seachem Reef Fusion 1 - 4L

Natural Environment Aquatix

Seachem Laboratories Flourish Potassium Plant Supplement

Natural Environment Aquatix

Seachem Marine Buffer

000116031608 316 seachem reef advantage calcium 250 ml 8.8 oz raises aquarium saltwater

Blue Fish Aquarium

Seachem Reef Advantage Calcium

Seachem Reef Fusion 1 Raises Calcium Fusion1 000116120302 203 500 ml 500ml 16.9 oz ounces bottle

Blue Fish Aquarium

Seachem Reef Fusion 1 - Raises Calcium

Road trip dog gear

Road trip dog gear

Car harnesses, travel bowls, and cooling vests.

SL AQUA MORE Aquavital water conditioner for small fish, bottle of fish tank water treatment for healthy aquatic environment

Exclusive offer available

Buce Plant

SL-Aqua MORE Aquavital for Small Fish

(3)

Aquarium Depot

Seachem Reef Plus - 500 ml

Set of 10 Flipper platinum scraper blades, versatile accessories for scraping and cleaning tasks.

Exclusive offer available

Buce Plant

Flipper - Blade - 10 Pack - Platinum Scraper

Seachem Reef Advantage Calcium - 4 KG

J&L Aquatics Ltd.

Seachem Reef Advantage Calcium - 4 KG

Natural Environment Aquatix

Seachem Laboratories Catappa Water Conditioner Tea Bags

Flipper Magnet Cleaner Max Float accessory, blue cleaning tool with magnet for pool maintenance and debris removal

Exclusive offer available

Buce Plant

Flipper - Magnet Cleaner - Max Float

Seachem Flourish 250 ml comprehensive plant fertilizer aquatic 0515 000116051507

Blue Fish Aquarium

Seachem Flourish - Comprehensive Plant Fertilizer

Natural Environment Aquatix

Quantum Easy Reefer® Easy E™ - Calcium

Natural Environment Aquatix

Seachem Laboratories Reef Kalkwasser Supplement

Essex Marine Aquatics

Seachem Prime Marine & Freshwater Water Conditioner

(1)

MN Aquatics

Seachem Prime 250ml

Seachem Laboratories Prime Ammonia Detoxifier 1ea/100Ml/3.4 oz.

54% off

PDS

Seachem Prime 100ml/3.4oz

Pet Cuisine & Accessories

Seachem - Water Treatment

Seachem Reef Calcium - 500ml

J&L Aquatics Ltd.

Seachem Reef Calcium - 500ml

Aquarium Depot

Seachem Reef Fusion 1 4L-1fl gal

(1)

Seasonal pet refresh

Seasonal pet refresh

Shop brushes, deshedding tools, nail grinders

Natural Environment Aquatix

Seachem Clarity 500ml

Natural Environment Aquatix

Red/Green Hairgrass - 8" Aquarium Plant

seachem-reef-advantage-calcium-250-gram

KensFish.com

Seachem Reef Advantage Calcium

Aquarium Depot

Seachem Reef Advantage Calcium - 1 kg

Seachem Reef Kalkwasser - 1 KG

J&L Aquatics Ltd.

Seachem Reef Kalkwasser - 1 KG