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Description
Greenfingers 400W HPS MH Grow Light Kit Digital Ballast Reflector Hydroponic Grow System KitThe Greenfingers 400W electronic ballast is suitable for use with both 400W High Pressure Sodium (HPS) and Metal Halide (MH) bulbs. It has a 4 phase manual dimming that can help to prolong the lamp lifespan by at least 10% with up to 30% energy savings compared with magnetic ballasts. It also features several protective functions including short circuit, circuit, overheat and lamp failure protection. The bat wing reflector spreads and directs the
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Best in 7 days
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Best in 7 days
4.4 ★★★★★
Based on 318 reviews
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Product Reviews
★★★★★ 5
Cool
Format: Paperback
The concept is amazing! I saw my classmate using this for boards (NPLEX)and I decided to get it. I only used it a few times though and never picked it up again because I suck at memorizing and prefer to just learn it the old school way. It’s cool if coloring is how you study. Maybe using it to wind down from an intense study session.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
loveee
Format: Paperback, Format: Paperback
so informative
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Reviewed in the United States on December 7, 2025
★★★★★ 5
Good information
Format: Paperback
The book was undamaged and correct product
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Reviewed in the United States on February 4, 2024
★★★★★ 5
No issues
Format: Paperback
No issues, timely arrival, condition as expected
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Reviewed in the United States on February 8, 2026
★★★★★ 5
Very Helpful!
Format: Paperback, Format: Paperback
I purchased a new copy of this book. The new book comes with a code that provides online access to a some lab resources and also an E-book version that is searchable and has excellent content. I attached a screenshot of a section of the e-book. Definitely worth it! Provides values and guide to interpreting tests and implications as well as associated nursing diagnoses. This book was recommended for a clinical nursing class but not required. I think it is helpful for my other classes as well (pharmacology, pathophysiology). I think if you get it you will see how useful it is. I purchased the 10th edition, which was published 2023.
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Reviewed in the United States on September 30, 2023
