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Boxtech Aquarium Hydrometer, Salinity Meter for Reef & Marine Tanks
✅ In stock
F
Grade
Analysis Confidence
81%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 25, 2026 6:22 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉A lower price did appear very recently, suggesting the market may revisit that level before long.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
1.5/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Box&Water
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓🐠 Safe Material & Unique Design: Made of durable Acrylic, this Fish Tank Test Kit salinity Hydrometer is designed with an automatic level function
✓🐠 Quickly, easily, and accurately measurement: With this hydrometer saltwater aquarium test kit, you can test your marine aquarium's salt level and specific gravity, and It is optimum to be put into below 6" deep water to avoid the error caused by the oil film on the water
✓🐠 Higher Accuracy & safe zone indicated: Readings are temperature-corrected & accurate to +/- 0. 001. specific gravity units ranges from 1. 000 - 1. 030 with a safe zone of 1.020-1.023. The outside range of scale indicates salinity ppt, ranges from 0-40, safe zone is 27-31
✓🐠Easy to Read & Clean: The easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result. After use, soak this saltwater meter in mild acid(vinegar) for 30 minutes, rinse with tap water and air dry. Do not disassemble
✓🐠 Wide Usage:Fit for brackish and reef salt marine aquariums. Perfect for testing both salinity and specific gravity of your brackish and marine tank.Includes salinity and specific gravity scales.Suitable for fresh water and sea water
⚙️ Specifications
Brand
boxtech
Item Weight
50 g
Item Form
handheld" or "portable
Manufacturer
boxtech
UPC
698253897265
ASIN
B07FXV8KZ3
Item model number
YDJ
Customer Reviews
4.1
Date First Available
July 26, 2018
Item Package Dimensions L x W x H
6.77 x 5.51 x 1.02 inches
Item Dimensions LxWxH
5.12 x 9.06 x 0.98 inches