{"product_id":"boxtech-aquarium-marine-test-saltwater-hydrometer-for-reef-tanks-salinity-specific-gravity-meter","title":"boxtech Aquarium Marine Test: Saltwater Hydrometer for Reef Tanks – Salinity \u0026 Specific Gravity Meter","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the boxtech Aquarium Marine Test, a durable acrylic hydrometer designed for reef and brackish tanks. Its automatic level function helps keep readings consistent as you test, so you can gauge salinity and specific gravity with ease during routine water checks.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits and accuracy you can count on\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable acrylic body with an automatic level feature that supports stable readings.\u003c\/li\u003e\n  \u003cli\u003eTemperature-corrected measurements with an accuracy of ±0.001, helping you compare values reliably.\u003c\/li\u003e\n  \u003cli\u003eTwo integrated scales: salinity in practical ppt (0–40) and specific gravity from 1.000 to 1.030, with a clearly defined safe zone.\u003c\/li\u003e\n  \u003cli\u003eSafe zones indicated: SG 1.020–1.023 and salinity 27–31 ppt, so you can gauge acceptable ranges at a glance.\u003c\/li\u003e\n  \u003cli\u003eEasy-to-read swing-arm pointer and a wide, stable base give you practical, on‑the‑spot results.\u003c\/li\u003e\n  \u003cli\u003eSimple maintenance: after testing, soak briefly in mild vinegar, rinse with tap water, and air dry (no disassembly needed).\u003c\/li\u003e\n  \u003cli\u003eVersatile use: suitable for brackish and reef saltwater tanks and capable of testing both salinity and SG; compatible with freshwater and seawater contexts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesign, use cases, and practical tips\u003c\/h3\u003e\n\u003cp\u003eThe tool combines clear visual cues with thoughtful ergonomics. The swing-arm pointer moves with the salinity and gravity readings, while the broad base minimizes tipping during handling. This makes quick checks during water changes or routine maintenance feel straightforward and stress-free.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIdeal for hobbyists managing reef aquariums or brackish setups, offering quick corroboration of two key water parameters.\u003c\/li\u003e\n  \u003cli\u003eDual scales support both salinity and specific gravity, reducing the need for multiple instruments and streamlining your workflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCare, depth guidance, and routine upkeep\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAim for water depth under 6 inches during testing to avoid accuracy errors caused by surface oil films.\u003c\/li\u003e\n  \u003cli\u003eFor best results, test in a well-lit area and handle gently to maintain accuracy over time.\u003c\/li\u003e\n  \u003cli\u003eAfter use, soak in mild vinegar for 30 minutes, rinse with tap water, and air dry. Do not disassemble.\u003c\/li\u003e\n  \u003cli\u003eIncludes both salinity and SG scales, making it a flexible choice for mixed or transitioning tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eConsider this tool as a practical option for monitoring salinity and gravity when you want a straightforward, non-invasive reading to inform your tank maintenance decisions.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What makes the boxtech Aquarium Marine Test suitable for reef tanks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Durable acrylic with automatic level, dual salinity and SG scales, and a clear safe-zone display support practical reef-tank checks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I care for and use the salinity hydrometer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Test depth under 6 inches, read in good light, soak in mild vinegar for 30 minutes after use, rinse, and air dry; do not disassemble.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"boxtech","offers":[{"title":"Default Title","offer_id":53557249278281,"sku":"B07FXV8KZ3","price":22.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/boxtech-aquarium-marine-test-swing-arm-dial.jpg?v=1766402010","url":"https:\/\/petvita.co.uk\/products\/boxtech-aquarium-marine-test-saltwater-hydrometer-for-reef-tanks-salinity-specific-gravity-meter","provider":"Petvita","version":"1.0","type":"link"}