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In an open black carrying case, find the Hanna Freshwater Alkalinity Checker, a blue digital meter for testing alkalinity, vials, and an HI775-26 labeled bottle; instructions are in the lid.
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The package, in white and blue, displays HANNA instruments text and lab equipment icons. At the bottom are website details and symbols for recycling, CE, and waste disposal—ideal for Hanna Freshwater Alkalinity Checker users.

HANNA FRESHWATER ALKALINITY CHECKER

$74.99
A coiled black NEPTUNE 1 LINK MALE MALE EXTENSION CABLE 10 FT (CBL-1LINK-MM-10) with male-male connectors and multiple pins is laid on a plain white surface, neatly arranged with some text imprinted along its length.
-50% Sold out

NEPTUNE 1 LINK MALE MALE EXTENSION CABLE 10 FT CBL-1LINK-MM-10

Original price was: $21.99.Current price is: $10.99.
A NEPTUNE AQUABUS EXTENSION CABLE 15 FT MALE FEMALE ABUS15EXT, coiled and black, with male and female connectors, sits on a pristine white surface.
-50% Sold out

NEPTUNE AQUABUS EXTENSION CABLE 15 FT MALE FEMALE ABUS15EXT

Original price was: $21.99.Current price is: $10.99.
The NEPTUNE MAGNETIC PROBE RACK MPR is a gray plastic component with three holes, red rubber bands, and four white screws. It sits on a reflective white surface, highlighting its sleek design.
-50% Sold out
Two gray and orange wall mounts resembling the NEPTUNE MAGNETIC PROBE RACK MPR feature slot openings for holding items. One has three attached white screws and a detachable orange panel, all set against a plain white background, enhancing their sleek design.

NEPTUNE MAGNETIC PROBE RACK MPR

Original price was: $44.99.Current price is: $22.49.
Hanna Instruments HI775-26 Freshwater Alkalinity Reagent box features a blue logo, QR code, and includes one 30 mL lab-use reagent. The white packaging is accented with black and blue text to ensure analysis accuracy.
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HANNA FRESHWATER ALKALINITY REAGENTS

$29.99
A black power cable with two rectangular connectors, coiled neatly on a white background.
-50% Sold out

NEPTUNE 1 LINK MALE FEMALE EXTENSION CABLE 10 FT CBL-1LINK-EXT

Original price was: $21.99.Current price is: $10.99.
Package of VCA Bonbon Minis filter screens, featuring one yellow and one blue squishy filter inside a clear plastic blister pack with product branding and information on the cardboard backing.
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The image shows packaging for VCA Supply Line Filter Screens, featuring two blue filter screens for 4mm and 6mm hoses. The label highlights universal fit, clog prevention, and includes a barcode at the bottom.

VCA BONBON MINI SUPPLY LINE FILTER SCREEN 3 PK

$8.99
A box of CoralVue HYDROS Smart Plug showing features like WiFi control, energy monitoring, compatibility with HYDROS system, 98ft range, one AC outlet, and mobile control for iPhone & Android.
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A white box labeled Hydros Smart Plug shows specifications: AC 120V, 10A power rating, 2.4GHz WiFi, and 98ft range. Several certification logos are visible at the bottom.

CORALVUE HYDROS SMART WIFI PLUG

$24.99
A green and black electronic sensor probe with a long black cable and connector, placed on a white background.
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MILWAUKEE PH PROBE 2 METER CABLE MA911B/2

$49.99
Product box for the Duetto² ATO, labeled as the worlds smallest dual-sensor aquarium auto top off. The box shows an image of the device and mentions that an ATO DC pump is included. Brand: XTAQUA.
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Product packaging for the Duetto² ATO (DATO-202P), showing diagrams of the automatic top-off system setup with labeled components, including water reservoir, pump, sensors, and aquarium sections.

XP DUETTO 2 DUAL SENSOR ATO AUTO TOP OFF

$139.99
Two myleak products: the MY LEAK ADVANCED LEAK DETECTION KIT with a blue circular device priced at $19.99, and a 3 ft. Sensor Extender Cable featuring a black cable with a red tip priced at $9.99.
-20% Sold out

MY LEAK ADVANCED LEAK DETECTION KIT

Original price was: $49.99.Current price is: $39.99.
Two bottles of HANNA MARINE MAGNESIUM REAGENTS from Hanna Instruments are side by side. The larger bottle is labeled HI783A-0, and the smaller one is HI783B-0. Both labels highlight precision and quality in marine solutions.
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HANNA MARINE MAGNESIUM REAGENTS

$25.99
The DUAL INLINE TDS MONITOR comes with a compact digital display, colored wires, two labeled sensors (IN and OUT), and includes white plumbing connectors in a plastic bag.
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The DUAL INLINE TDS MONITOR is encased in a sealed plastic package that highlights its features and specifications, with the HM Digital logo prominently at the bottom to ensure quality.

DUAL INLINE TDS MONITOR

$44.99
A sleek black NEPTUNE TEMPERATURE PROBE PRBTMPJR with a long cable and cylindrical design sits on a white background, perfect for precise temperature measurement.
-50% Sold out

NEPTUNE TEMPERATURE PROBE PRBTMPJR

Original price was: $32.99.Current price is: $16.49.
The compact black Solid-Surface Leak Detection Probe, part of Neptune Systems LEAK DETECTION KIT LDK, includes a cable with an Ethernet-like connector coiled neatly beside it and is shown resting on a white background.
-50% Sold out
The gray Neptune Systems Fluid Monitoring FMM, a rectangular device with multiple ports and indicator labels, pairs with the NEPTUNE LEAK DETECTION KIT LDK to enhance security.

NEPTUNE LEAK DETECTION KIT LDK

Original price was: $154.99.Current price is: $77.49.
The 3ft Neptune Systems Aquabus Cable (ABUS3) is coiled in black with standard USB-A connectors on both ends, displayed elegantly against a plain white background.
-50% Sold out

NEPTUNE AQUABUS CABLE 3 FT MALE MALE ABUS3

Original price was: $13.99.Current price is: $6.99.
The NEPTUNE 10 DC24 EXTENSION CABLE (M/F) is a coiled black power cable with a right-angle connector, perfect for electronic devices needing male-to-female connectivity.
-50% Sold out

NEPTUNE 10′ DC24 EXTENSION CABLE (M/F)

Original price was: $18.99.Current price is: $9.49.