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Coralife Deep Six Hydrometer
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List Price: $12.95
Our Price: $7.99
You Save $4.96!
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A wide range specific gravity meter, that takes True water samples at 6" depth. Avoids inaccurate surface samples. Most users like the immediate leveling without having to dump water back out.
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Pinpoint Salinity Monitor and Probe
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List Price: $169.95
Our Price: $128.88
You Save $41.07!
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PINPOINT Salinity Monitor™ will accurately and immediately measure the amount of salt in any marine or freshwater system. The reading is fully temperature compensated and the conversion chart will precisely show the corresponding density (specific gravity) or % salt (refractometer) values.
This monitor is especially useful to determine the low level of salt required for Koi, whether in an aquarium or outdoor pond. Comes complete with meter, probe and calibration fluid.
- Powered by a standard 9-volt battery (not included).
- Optional AC Adaptor Kit
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Red Sea Hydrometer
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List Price: $11.99
Our Price: $9.49
You Save $2.50!
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Continuous or periodic reading of specific gravity for saltwater aquariums.
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Aqua Medic Refractometer
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List Price: $86.99
Our Price: $72.33
You Save $14.66!
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Far more accurate than dip and read style hydrometers and easier to use than floating hydrometers, our Refractometer is a must have for every marine aquarium hobbyist. This high-quality measurement device reads in both salinity and specific gravity values that are temperature compensated and can be easily calibrated with a drop of freshwater. Each Reefractometer comes in a padded case, complete with a fine-adjustment tool, sample pipette, and full instructions.
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Aquarium Systems SeaTest (Instant Ocean) Hydrometer
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List Price: $14.99
Our Price: $8.88
You Save $6.11!
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Accurate, reliable water test equipment is absolutely vital to creating and sustaining a healthy, successful marine environment. Easy to read and simple to operate, Marineland's Instant Ocean® Hydrometer delivers precise full-range salinity and specific gravity readings - accurate to 0.001 - and does it each time, every time. And thanks to the new improved design, you won't even get your hands wet!
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