Description
Calcium presence in water supplies results from passage over deposits of limestone, dolomite, gypsum and gypsiferous shale. Its concentration may extend from 0 to several hundred milligrams per liter, depending on its source and treatment. Calcium is necessary in plant and animal nutrition since it is an essential constituent of bones, shells and plant structures. Calcium in water as carbonate is one of the primary components of water hardness which can cause pipe or tube scaling. The HI 758 Calcium Checker HC is extremely simple to use. First, zero the instrument by adding Reagent A, deionized water and 0.1 mL of sample into the vial. Insert into the HI 758 and press the button. Next, remove the vial and add Reagent B and shake to dissolve. Reinsert into the Checker HC and press the button to read the calcium concentration in ppm on the display. Use for quick and accurate on the spot analysis. Single button operation: zero and measure. Range: 200 to 600 ppm. Resolution: 1 ppm. Accuracy at 25 degree C: +/-6% of reading. Light Source: light emitting diode at 610 nm. Light Detector: Silicon Photocell. Environment: 0 to 50 degree C (32 to 122 degree F); ma95% RH non-condensing. Battery Type: (1) 1.5V AAA. Auto-off: after 10 minutes of non-use. Dimensions: 81.5mm 61mm 37.5mm (3.2″ 2.4″ 1.5″). Method: adaptation of the zincon method.
Easier to use and more accurate than chemical test kits, less expensive than professional testing Accuracy +/-6 % of reading at 25 degree C / 77 degree F Large LCD screen for readability Auto shut-off to extend battery life Operated by a single AAA battery

Nattokinase PREMIUM Advanced Edition 120 capsules 20 days
3′ Ficus Tree UV Resistant (Indoor/Outdoor)
Corn Silk Tea 1.5g x 40 teabags
National Hardware N243-642 Handrail Bracket with Strap, 250 lb, Die-Cast Zinc, Brass
Vandoren SM433 B75 V5 Series Baritone Saxophone Mouthpiece,Black
Narciso Rodriguez For Her Shower Gel 200ml/6.7oz
Mikinona Accessories for Saxophone Accessories Clarinet Accessories Sax Dampner Mute Saxophone Tenor Saxophone Damper Light Beige Component Sax Clarinet Parts
New Ice Bean Ice Silk Cold Mat Love Bear – Blue 90 * 200cm Cooling Mat+Pillowcase 1 Piece
National Hardware N180-014 Peg Hook, 8 in, 1/4 in Opening, Steel, Zinc
Durian pie sandwich cake office casual travel snacks 204g*1 box
Yogurt Almond 210g
Hokkaido Kitami Hello Kitty Peppermint Oil 10ml
Stant Cooling System Tester, Metallic
Camera Ready Brown Hazel Eye Set 26mm
Triple Areca Palm Artificial Tree In Orange Planter 5669 By Nearly Natural
Plano EDGE Master Bladed Jig Box [PLASE600]
MIZOK Unisex 4 Pieces Cycling Bandana Cap Sun UV Protection Sweat Wicking Cap Hat Skull Cap Pirate Hats
3′ Colorado Mountain Pine Artificial Christmas Tree w/ 50 Clear Lights
Handmade Vintage Crazy Horse Leather Portfolio,Business Organizer Padfolio with Handle, for iPad Pro/Microsoft Surface Pro/13 inch Tablet, Dark Khaki
2 Pieces Patio Rattan Sectional Conversation Sofa Set
BENEFIQUE Make-clear Oil 180ml
Black Super Sized Merchandiser Bin
Bifonazole Cream 10G Per Vial
Traditional Korean Tea Misugaru Black Grains Mixed Powder Drink Snack Meal Replacement – 40 Sticks x 2 Pack
Apple® iPad Air Bundle, 16GB or 32GB, Wi-Fi (1st Gen, 2013 Release)
22″ Evergreen Artificial Plant in Planter (Real Touch)
Yukon high performance ring & pinion set, GM 9.25′ IFS, reverse rotation, 4.11
VBESTLIFE Tripod Trumpet Stand, Portable Metal Lightweight Tripod Trumpet Folding Support Stand Accessory for Trumpets
Deluxe Reinforced Top Tab Fastener Folders, 0.75″ Expansion, 2 Fasteners, Letter Size, Manila Exterior, 50/box
EGR Valve & Gasket Kit for 2010-2012 Toyota Prius Replace# 04004-58137, 25620-37120
Tom Yum Goong soup base 200g*1
V1843 Series N208-579 Draw Catch, Steel, Zinc
Tropical Flower and Antlers Artificial Arrangement
He Is Risen Spring Easter Garage Door Decoration Easter Garage Door Banner Cover 13 x 6 ft Large Outdoor Easter Garage Door Mural Easter Cross Backdrop Decorations for Easter Spring Holiday Decoration
Nine-Processed Tangerine Peel Shreds,3.53 oz
30 Packs of Deluxe Valley Greene Heirloom Vegetable Garden Seeds Non-GMO(Guaranteed 30 Different Varieties as Listed)
Kashi Breakfast Cereal, Organic, Vegan, Berry Crumble
SPUN MASK Non-woven Three-dimensional Individually packaged masks #Black 30pcs
Closet Insect & Mosquito Repellent Closet Moth Ball 3pcs
Boba Vida Popping Pearls, Cherry Slush
(913A572) Detroit Truetrac 30-Spline Differential for Mopar, 8.75′
Blue Grass by Elizabeth Arden EDP Spray
Dell Inspiron 7700 AIO 27 FHD i7-1165G7 32 1TB SSD Desktop Computer
U Bolt With Plate And Hex Nuts, Model Number 657, Zinc Plated, Square, 3/8 Inch By 3 Inch By 7 Inch
Clear Narrow 3pc Tray Set
National Hardware N112-185 Box Rail Hanger, Delrin/Steel, Zinc
Puracol Plus Collagen Dressing MSC8622EPH, Each (Pack of 1)
High-Fiber Prune Juice14pc✖️6pack
hygger Quiet Mini Air Pump for Aquarium 1.5 Watt Oxygen Fish Air Pump for 1-15 Gallon Fish Tank with Air Stone Air Tubing Clip Black 

Reviews
There are no reviews yet.