• picture of the API Freshwater Master Test Kit
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    This kit tests water for five different parameters that affect the health of freshwater fish. The kit can complete up to 800 tests.
  • picture of 4 Glass Replacement Test Tubes with lids
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    Set of 4 replacement test tubes for the API Master Aquarium Test Kit.
  • Picture of a box containing a test for water gh and kh.
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    The best way to keep your aquarium clean is to maintain good water quality. This will keep your fish strong and vibrant, as well as preventing disease.  Helps to buffer swings in pH that are dangerous to your fish.

  • Product picture Digital Thermometer with Submersible Probe
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    Ideal for aquariums or large tanks! Get accurate temperature readings with this Digital Thermometer which has a simple appearance, unobtrusive design and an easy-to-read LCD display.
  • Picture of a Hanna Iron Checker kit with digital gauge, packets, test vials and a case
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    Bridges the gap between simple chemical test kits and professional instrumentation! The new HI 721 Checker®HC portable handheld colorimeter features a resolution of 0.01 ppm (500 points) and ±0.04 ppm ±2% of reading accuracy. The HI 721 Checker®HC uses an adaptation of Standard Method 315 B.  
  • photo of single iron reagent packet
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    These are reagents for the colorimetric determination of iron. There are enough reagents for 25 tests and are for use with Hanna’s compatible benchtop and portable photometers. These high-quality reagents are manufactured in a state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.  
  • photo of assorted bottle sizes of tidy tank sludge eradicator
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    Tidy Tank Sludge Eradicator keeps tanks and media clean. Tidy Tank improves water quality, reduces odors and extends the useful life of filter materials. It contains naturally occurring beneficial bacteria that break down organic debris in gravel and filters while reducing sludge and organic debris from the substrate.
  • photo of D-Klor natural vitamin c dechlorinator with Aloe vera
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    Instant D-Klor

    Removes chlorine and breaks the chlorine/ammonia bond in chloramines. Instant D-Klor is a natural dechlorinator formulated using sodium ascorbate which is a natural source of Vitamin C. D-Klor's Vitamin C is beneficial to fish, invertebrates and live aquarium plants. Instant D-Klor's aloe vera helps to enhance the fish's natural protective surface slime coating.  
  • Microprocessor based waterproof pH tester. Testing pH has never been easier or quicker! This Microprocessor based waterproof pH meter offers 1500 hour battery life, very accurate manual calibration and protective case with calibration solution
  • Photo of small plastic bottle of API Ammonia Reagent Bottle #1
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    Highly recommended for all aquaponic systems! API reagent for Ammonia bottle #1 and #2. Testing water parameters weekly helps prevent invisible water problems that can be harmful to fish. Fish continually release ammonia into the aquarium through their gills, urine and solid waste.
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    Photo of Bluelab pH Checker with pH submerisible probe. Molded blue and white plastic with digital input screen
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    Bluelab pH Pen

    $116.00 $99.95
    Handheld pH meter. Easy to use! A handy solution made easy with this clever little Bluelab ph pen will help you manage the success of your crops. This pH pen provides a pH reading of the solution so you know that the nutrients will be made available to your plants.
  • Photo of 1 pound container with lid of ClorAm-X product
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    The original, single-phase ammonia, chlorine & chloramine remover! Liquid Buffered ClorAm-X utilizes a patented molecule to destroy chloramine and then removes the ammonia and chlorine. Gone are the days of hoping your biological filtration can remove the bound up ammonia before the health of your fish is impacted, a common process with most other ammonia removers. Look for the ClorAm-X logo and USA patent number to prove you’ve chosen the leader in ammonia removal worldwide!