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.

Nature Aquariums

Products

Products

Nature Aquariums

Red Sea Calcium Test Kit

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

A$34.00

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

You might also like

Nature Aquariums

Red Sea Marine Care Calcium Test Kit

Nature Aquariums

Red Sea Kh/alkalinity Pro Test Refill

Nature Aquariums

API Master Freshwater Aquarium Test Kit pH Nitrite Nitrate Ammonia w/ GH/KH

(1)

Nature Aquariums

Red Sea Reef Mature Pro Kit

Red Sea Calcium Pro Test Kit

J&L Aquatics Ltd.

Red Sea Calcium Pro Test Kit

New Wave Aquaria

Calcium Pro Reef Test Kit - Red Sea

Nature Aquariums

Api Calcium Test Kit - Liquid - 1.25oz Saltwater

Nature Aquariums

Api Aquarium Salt

Nature Aquariums

Red Sea Trace Colors Pro Test Kit

Red Sea Reef Foundation Pro Test Kit

J&L Aquatics Ltd.

Red Sea Reef Foundation Pro Test Kit

Red Sea Magnesium Pro Test Kit

J&L Aquatics Ltd.

Red Sea Magnesium Pro Test Kit

Red Sea Coral Pro Salt 22kg - Nature Aquariums

Nature Aquariums

Red Sea Coral Pro Salt 22kg

(2)

Nature Aquariums

Api Ph Up

Nature Aquariums USA

Red Sea Marine Care Test Kit

Saltwater Calcium Test Kit

Waterbox Aquariums

Test Kit: Calcium

Nature Aquariums

Red Sea Calcium Pro Test Kit

Nature Aquariums

Red Sea Algae Control Pro Testing Kit

(1)

Nature Aquariums

API Freshwater Master Test Kit (pH, HRpH, Ammonia, Nitrite, Nitrate) Exp 06/2029

(6)

Nature Aquariums

Red Sea Ph/alkalinity Test Kit

Barrier Reef Aquariums

Red Sea Calcium Pro - Test Kit

Red Sea Calcium Pro - High accuracy Titration Test Kit

Premium Aquatics

Red Sea Calcium Pro - High accuracy Titration Test Kit

Nature Aquariums

Red Sea Reef-spec Seawater Refractometer

Rainy day gear

Rainy day gear

Mats, towel hooks, and odor control.

Nature Aquariums

Seachem Reef Status Calcium 150 Titration Test

Red Sea Calcium Pro - Reagent Refill Kit

Premium Aquatics

Red Sea Calcium Pro - Reagent Refill Kit

Red Sea Calcium Pro Reagent Refill Kit - R21406

Aquacadabra

Red Sea Calcium Pro Reagent Refill Kit - R21406

(1)

Red Sea Salt 4kg - Nature Aquariums

Nature Aquariums

Red Sea Salt 4kg

Nature Aquariums

NATURE PETS Medicating Salts

Red Sea Foundation Pro Multi Test Kit R21510 Calcium Magnesium Alkalinity Ca Mg

Blue Fish Aquarium

Red Sea Foundation Pro Multi Test Kit, Ca - Alk - Mg

Magnesium Pro Test Kit - Red Sea

Exclusive offer available

Top Shelf Aquatics

Magnesium Pro Test Kit - Red Sea

KeepingFishSimple

KeepingFishSimple

KeepingFishSimple

4.8

(585)

Nature Aquariums

Red Sea Marine Care Test Kit

Nature Aquariums

Seachem One Year Combo Alert

(2)

Sicce Syncra Silent Water Pump - Nature Aquariums

Nature Aquariums

Sicce Syncra Silent Water Pump

(1)

Red Sea Calcium Test Kit - Charterhouse Aquatics

Charterhouse Aquatics

Red Sea Calcium Test Kit

Kraken Corals

Red Sea Calcium Pro Tritator Test Kit

Red Sea Phosphate Pro Test Refill - Nature Aquariums

Nature Aquariums

Red Sea Phosphate Pro Test Refill

Nature Aquariums

Seachem Brackish Salt

Finest Aquatics

Red Sea Calcium Pro Test Kit

Red Sea Calcium Pro-Titrator Test Kit Refill (75 Tests) - Charterhouse Aquatics

Charterhouse Aquatics

Red Sea Calcium Pro-Titrator Test Kit Refill (75 Tests)

(1)

Red Sea Reef Test Kit Pro - Apex AquaticRed Sea Reef Test Kit Pro

21% off

Apex Aquatic

Red Sea Reef Test Kit Pro

Red Sea Salt 22kg - Nature Aquariums

Nature Aquariums

Red Sea Salt 22kg

Nature Aquariums

Red Sea Potassium Pro Test Refill

Red Sea Reef Foundation Complete Pro Test Kit - Charterhouse Aquatics

Charterhouse Aquatics

Red Sea Reef Foundation Complete Pro Test Kit

(3)

Red Sea Magnesium Pro Test Kit (100 Tests)

Reef Supplies Canada

Red Sea Magnesium Pro Test Kit (100 Tests)

Nature Aquariums

Red Sea Calcium Pro Test Kit Refill

Nature Aquariums

Aqua One Test Kit 5in1 Freshwater PH NH4 NO2 NO3 KH

(1)

Nature Aquariums

Coral Essentials Coral Power Trace B

Cat enrichment essentials

Cat enrichment essentials

Valerian toys, lickables, and puzzle feeders.

Calcium Pro Test Kit - Red Sea

Exclusive offer available

Top Shelf Aquatics

Calcium Pro Test Kit - Red Sea

The Tech Den

Red Sea Ca Calcium Pro Test Kit

Nature Aquariums

Aqua One - Deluxe Glass Thermometer

Nature Aquariums

Red Sea Magnesium Pro Test Kit

Candy Corals

Red Sea Foundation Pro Multi Test Kit

Candy Corals

Red Sea Calcium Pro Test Refill

Essex Marine Aquatics

Red Sea Marine Care Test Kit

Nature Aquariums

Red Sea ReefATO+ System

(2)

Nature Aquariums

Aquaforest Calcium Test Kit

Red Sea Marine Care Test Kit - R21525

Aquacadabra

Red Sea Marine Care Test Kit - R21525

Red Sea Reef Foundation Pro Multi Test kit (Ca,Alk,Mg)

Premium Aquatics

Red Sea Reef Foundation Pro Multi Test kit (Ca,Alk,Mg)

PETQuarters

Red Sea Calcium Pro Test Kit

API GH/KH Hardness Test Kit - Nature Aquariums

Nature Aquariums

Api Gh/kh Hardness Test Kit

Nature Aquariums

Coral Essentials Coral Power Trace C

Nature Aquariums

Coral Essentials Magnesium Up 1.2kg

Red Sea Calcium Pro Ca Test Kit (75 tests)

Reef Supplies Canada

Red Sea Calcium Pro Ca Test Kit (75 tests)

(2)

Nature Aquariums

Red Sea Kh/alkalinity Pro Test Kit

Nature Aquariums

Fluval 2-in-1 Digital Aquarium Thermometer

(1)

Nature Aquariums

Red Sea Magnesium Test Kit

Kraken Corals

Red Sea Reef Foundation Pro Test Kit (Calcium, Magnesium, Alkalinity)

(1)

Red Sea Multi Testing Kit Pro - Apex AquaticRed Sea Multi Testing Kit Pro

Apex Aquatic

Red Sea Multi Testing Kit Pro

(1)

Bespoke Aquariums

Red Sea Marine Care Test Kit

(1)

Comforting picks for pups

Comforting picks for pups

Crate covers, lick mats, and calming aids.

Nature Aquariums

Red Sea Nitrate/nitrite No3/no2 Test Kit

Red Sea Marine Care Test Kit

Reef Supplies Canada

Red Sea Marine Care Test Kit

(3)

Red Sea Marine Care Test Kit - Charterhouse Aquatics

Charterhouse Aquatics

Red Sea Marine Care Test Kit

(1)

Bespoke Aquariums

Red Sea Calcium Pro Test Refill

Nature Aquariums

Api Quick Testing Strips - 5 In 1

Nature Aquariums

Aquaforest Magnesium Test Kit

Nature Aquariums

Aquavivo - Dosing Container Diy Kit

(1)

Red Sea Calcium Pro Titrator Test Kit - Charterhouse Aquatics

Charterhouse Aquatics

Red Sea Calcium Pro Titrator Test Kit

Nature Aquariums

Red Sea Nitrate Pro Test Kit

Nature Aquariums

Bioscape Check Valves 2 Pack

(1)

Nature Aquariums

Red Sea Phosphate Pro Test Kit

thecoralcentre

Red Sea Reef Foundation Pro Test Kit

red-sea-reef-foundation-pro-multi-test-kit

KensFish.com

Red Sea Reef Foundation Pro Multi Test Kit

Nature Aquariums

Red Sea Salt 7kg

Nature Aquariums

Api Stress Coat

Nature Aquariums

Red Sea Reef Foundation A - Ca/sr Supplement 1000ml

Red Sea Reef Foundation Pro Multi Test Kit (CA, KH, Mg)

Reef Supplies Canada

Red Sea Reef Foundation Pro Multi Test Kit (CA, KH, Mg)

red-sea-marine-care-multi-test-kit

KensFish.com

Red Sea Marine Care Multi Test Kit

(1)

Accurate calcium measurement: Ensures optimal water chemistry for marine aquarium health
Two precision levels (15ppm and 30ppm): Allows users to select the desired measurement accuracy
User-friendly instructions: Includes graphic steps and conversion tables for easy interpretation
Comprehensive kit: Contains 75 test cards for extended use and multiple tanks
Suitable for saltwater aquariums: Designed specifically for marine environments

Summarized by Shop

Product Description
Introducing the Red Sea Marine Care Calcium Test Kit. This product provides a quick and reliable measurement of calcium in your aquarium to an accuracy of either 15ppm or 30ppm according to your needs.
Red Sea’s unique research into the biochemistry of corals and their relationship with the surrounding seawater result

Measurement Precision: 15ppm or 30ppm
Test Cards Included: 75
Suitable Water Type: Saltwater
Brand: Red Sea
Instructions: Graphic, easy-to-follow
Conversion Tables: Included

Summarized by Shop

Nature Aquariums

Nature Aquariums

4.8 (662)