ASIN B07ZG5P7XVImage via Amazon
Business & Industrial Supplies
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Marine Phosphate Ultra Low Range Colorimeter – Checker HI774
Price on Amazon
$99.00
Price as of Oct 16, 2026, 7:47 AM UTC. Prices and availability are subject to change. The price shown on Amazon at the time of purchase applies.
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From the listing
Key features
01
More accurate than chemical test kits, less expensive than professional testing
02
Single button operation for ease of use
03
Large LCD screen for readability
04
Auto shut-off to extend battery life
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Marine Phosphate Ultra Low Range Colorimeter – Checker HI774
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