Handheld Salinity Seawater Aquarium Tester – Precision & Durability Redefined

High-Accuracy Salinity Testing
Professional-grade refractometer with automatic temperature compensation (ATC) for instant, precise salinity measurements (0-100‰ range) in saltwater aquariums, marine biology labs, or aquaculture farms.
Premium Pure Aluminum Construction
Aerospace-grade aluminum body ensures corrosion resistance and ultra-lightweight handling, with a CNC-machined prism housing for scratch-proof clarity.
Dual-Scale Clarity & Easy Calibration
Features simultaneous specific gravity (1.000-1.070) and salinity scales; includes a calibration screwdriver and non-slip rubber grip for field adjustments.
Portable & Splash-Proof Design
Compact (6.3” x 1.8”) with a shock-resistant frame, ideal for on-site use in reef tanks, hatcheries, or oceanic research.
Optical Excellence
Multi-coated optical lens eliminates glare, delivering razor-sharp readings even in low-light environments like deep-tank setups.
Bulk Order Advantage
Wholesale pricing available for aquaculture businesses, pet stores, or marine conservation projects—request a quote for volume discounts.