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Description
JBL ProAquaTest Mg-Ca Magnesium-CalciumEffortlessly and accurately track the water parameters in your aquarium. This kit identifies the optimal magnesium and calcium levels essential for robust growth in corals and calcareous red algae. Simple to operate: start with the calcium test, followed by the magnesium test; subtract the calcium test result from the magnesium test result to determine the magnesium level. Measurement capacity: the total number of tests you can perform is contingent
- Effortlessly and accurately track the water parameters in your aquarium. This kit identifies the optimal magnesium and calcium levels essential for robust growth in corals and calcareous red algae.
- Simple to operate: start with the calcium test, followed by the magnesium test; subtract the calcium test result from the magnesium test result to determine the magnesium level.
- Measurement capacity: the total number of tests you can perform is contingent on the calcium and magnesium concentrations.
- For comprehensive details and troubleshooting advice on water testing, visit the JBL website under Essentials/Aquarium or Pond.
- Included in the package: 1 magnesium test kit and 1 calcium test kit, featuring 5 reagents, 2 plastic cuvettes, a syringe, and a dosing spoon. Reagent refills are available for purchase separately.
Expires on 30 Sep 2027
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4.0 ★★★★★
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Product Reviews
★★★★★ 4
Healing Christian Trauma
Format: Kindle
If you've been hurt by the Church, this is a good read. Chapter 17 is a must read. It is a very quotable book, too.
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Reviewed in the United States on March 5, 2021
★★★★★ 5
Accessible Introduction to Understanding the Bible’s Relevance Today
Format: Hardcover
The Word, and the World: An Introduction is a helpful guide for anyone wanting to connect the Bible’s message with today’s world. The author explains how Scripture relates to modern issues, making it easy to see the Bible’s timeless impact. It’s well-written and easy to understand, perfect for beginners and anyone curious about applying biblical principles in daily life. Highly recommend for a fresh perspective on the relevance of Scripture!
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Reviewed in the United States on October 31, 2024
★★★★★ 5
Stellar, Scholarly, Engaging
Format: Hardcover
This is a fantastic resource! It is well-written and engaging. The authors provide a wonderful defense of the evangelical view of inspiration and transmission of the text. The authors write with humility and grace and set a high standard for Christian scholarship.
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Reviewed in the United States on December 16, 2020
★★★★★ 5
Academic in nature, but informative for the average reader.
Format: Kindle
Granted this is an academic textbook, but there is much in this work for the average Christian who just wants to dig deeper into the Old Testament.
Each chapter represents a different book in the Old Testament, and is was written by a scholar who has special research knowledge on that particular book. Chapters are not as long and drawn out as many academic Old Testament survey works can be. They are semi-concise, and filled with lots of information on each book of the Old Testament.
Written from a conservative standpoint, the book takes a high view scripture and confirms the veracity of Scripture and verbal plenary inspiration.
If I had to lodge one complaint against the text, I would criticize it for a lack of illustrations, charts, graphs, maps, and pictures and such. It's New Testament counterpart is filled with such, but this volume is lacking in that area, for some strange reason. I guess the publisher must've been on a limited budget when developing this volume. LOL.
If you are getting ready to take an Old Testament survey class and this is your text, you've got something to get excited about.
Blessings in Christ,
Myke Harbuck
Byron, Georgia
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Reviewed in the United States on November 25, 2012
★★★★★ 5
Good Text Book
Format: Hardcover
This is a great book when looking for an introduction to the OT. It is fairly easy to read, and each chapter ends with questions which encourage the reader to retain what was just read. This book seemed at least to this reader, to take fairly complex subjects and make them understandable and very readable.
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Reviewed in the United States on February 2, 2015