{"product_id":"alkalinity-test-kit","title":"Alkalinity Test Kit","description":"\u003cp\u003e\u003cstrong\u003eBenchmark Alkalinity Test Kit\u003c\/strong\u003e is the reef dKH test kit we built for our own coral farm: fast, easy to use, affordable enough for frequent testing, and tuned so the amount of titrant used converts directly to alkalinity.\u003c\/p\u003e\n\u003cp\u003eWe have been running versions of this kit at New Dawn Aquaculture for the past year. After a lot of farm use and refinement, this production version brings together Benchmark chemistry, 3D printed packaging, UV-laser engraving, and the kind of reliable routine testing that supports healthier coral systems.\u003c\/p\u003e\n\u003ch2\u003eKey Details\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100 alkalinity tests\u003c\/strong\u003e included right out of the box\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0-20 dKH\u003c\/strong\u003e testing range\u003c\/li\u003e\n  \u003cli\u003eFast blue-to-red titration endpoint\u003c\/li\u003e\n  \u003cli\u003eSimple calculation: \u003cstrong\u003edKH = mL of Reagent B used x 10\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eBuilt-in printed and laser-engraved storage\/display case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKit Includes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eReagent A alkalinity indicator\u003c\/li\u003e\n  \u003cli\u003eReagent B alkalinity titrant\u003c\/li\u003e\n  \u003cli\u003eBenchmark glass 5 mL test vial\u003c\/li\u003e\n  \u003cli\u003eBenchmark 1 mL syringe with dispensing tip\u003c\/li\u003e\n  \u003cli\u003eBenchmark 5 mL syringe\u003c\/li\u003e\n  \u003cli\u003eCustom matte black PLA printed storage and display case with UV-laser engraved Benchmark artwork\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTest Procedure\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eRinse the test vial with aquarium water.\u003c\/li\u003e\n  \u003cli\u003eAdd \u003cstrong\u003e5.00 mL\u003c\/strong\u003e of aquarium water to the vial.\u003c\/li\u003e\n  \u003cli\u003eAdd \u003cstrong\u003e2 drops of Reagent A\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eSwirl gently. The sample should turn \u003cstrong\u003eblue\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eFill the 1 mL syringe with Reagent B titrant.\u003c\/li\u003e\n  \u003cli\u003eAdd Reagent B slowly while swirling.\u003c\/li\u003e\n  \u003cli\u003eStop at the first stable colour change from \u003cstrong\u003eblue\u003c\/strong\u003e to \u003cstrong\u003ered\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eRecord how many mL of Reagent B were used.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eCalculation\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003edKH = mL of Reagent B used x 10\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExample: if you use 0.80 mL of Reagent B, the result is 8.0 dKH.\u003c\/p\u003e\n\u003ch2\u003eRecommended Reef Range\u003c\/h2\u003e\n\u003cp\u003eMany reef aquariums are maintained around \u003cstrong\u003e7.0 to 9.5 dKH\u003c\/strong\u003e, depending on the system, coral demand, salt mix, and dosing approach.\u003c\/p\u003e\n\u003ch2\u003eTips for Best Accuracy\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRead syringes at eye level.\u003c\/li\u003e\n  \u003cli\u003eSwirl continuously as you approach the endpoint.\u003c\/li\u003e\n  \u003cli\u003eAdd Reagent B slowly near the colour change.\u003c\/li\u003e\n  \u003cli\u003eRepeat the test if the endpoint is difficult to judge.\u003c\/li\u003e\n  \u003cli\u003eRinse the vial and syringes with fresh water after testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor saltwater aquarium testing only. Store reagents sealed and out of reach of children.\u003c\/p\u003e","brand":"New Dawn Aquaculture","offers":[{"title":"Default Title","offer_id":51163805057270,"sku":"BM-ALK-KIT","price":44.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0441\/7250\/9334\/files\/Alkalinity_Test_Kit_Open.png?v=1783157477","url":"https:\/\/coalharbourpharmacy.com\/products\/alkalinity-test-kit","provider":"Coal Harbour Pharmacy","version":"1.0","type":"link"}