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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
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The COR-20 does not require an Apex to operate
What's Included
Based on years of experience in marine biology
The COR pumps are compatible with all Apex systems including: Apex
Hanna HI736 Saltwater Aquarium Ultra Low Range Phosphorus Colorimeter - Checker® HC Seachem DOWNLOAD RECIPE CARDGet accurate results for your saltwater aquarium with our simple handheld colorimeter. Our ultra low range phosphorus colorimeter brings you more precise technology from your typical chemical test kit. Standard test kits have limited accuracy since they rely on the user to match colors. Our handheld colorimeter makes your life easier by eliminating color matching and providing you a direct saltwater phosphorus result. Take our portable handheld
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