Description

Achieve perfect water balance with the trusted SeaLevel Deep Six Hydrometer, a reliable tool designed for saltwater and reef aquariums.

Engineered for accuracy and simplicity, this hydrometer gives you instant, precise readings of specific gravity and salinity—so your fish, corals, and invertebrates stay healthy and stress-free.

Both models feature clear, easy-to-read scales and durable acrylic construction—built to last and resist clouding over time. Whether you prefer the rectangular design for compact testing or the teardrop model for a classic style, both deliver professional-grade precision at an affordable price.

⸻

Key Features

• Accurate Range: Measures specific gravity from 1.000–1.030.

• Temperature Calibrated at 25°C (77°F) for consistent results.

• Automatic Level Indicator ensures true readings every time.

• Durable Acrylic Construction with high clarity.

• Fast and Easy to Use: Fill, read, rinse—done!

• Ideal For: Marine, reef, and saltwater fish tanks.

⸻

Specifications

• Brand: SeaLevel

• Model: Deep Six

• Shape Options: Rectangular or Teardrop

• Material: High-clarity Acrylic

• Measurement Range: 1.000–1.030 Specific Gravity

• Calibration Temperature: 25°C (77°F)

• Use: Saltwater / Reef Tanks

⸻

Why Choose It

Simple one-handed operation

Affordable, accurate, and easy to clean

Keeps salinity stable for fish, coral, and live rock health

Backed by Infinity and Beyond Aquatics quality guarantee