Hardness
List hardness
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Low water hardness could stain or etch the pool surface and corrode equipment, calcium hardness increaser raises water hardness levelcalcium hardness increaser made of calcium chlorideof calcium hardness increaser per gallons of water will raise calcium hardness level by 50 ppm (parts per million)prevents foaming and equipment corrosion
10 €
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To allow your oxygen-producing plants to thrive, the maintenance of carbonate hardness (kh value) is very important, especially since biological processes in the pond continually reduce the carbonate hardnessit mainly consists of calcium and magnesium carbonates to provide enough mineral nutrition for the oxygen-producing plantsvelda kh plus ml
13 €
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Stops staining and etching of pool surfaces caused by low hardness levelsuse as needed to raise the hardness (calcium) level in your pool to the ideal rangeprevents water from becoming corrosive and damaging your pool's plumbing and heater
52 €
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The hardness up to 9h, better to protect the screen3mm thickness, the silm design with sensitive touch-and fit for the dock perfectly4 tempered glass filmmaterial: tempered glass
21 €
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Quality hardness plus granules from aquasparkle, which when used correctly will increase the hardness of the watermade by aquasparkle
9 €
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High-strength anti-scratch: 9h hardness, much higher than ordinary film 3h hardness, rejects screen scratchingtests show that under normal conditions of use, it can ensure that it will scratch for 3 years
5 €
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1 x tempered film for kindle paperwhite 3high-strength anti-scratch: 9h hardness, much higher than ordinary film 3h hardness, rejects screen scratchingtests show that under normal conditions of use, it can ensure that it will scratch for 3 years
5 €
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Note: the color of the item may vary slightly due to photography and your own computer feature: made of stainless steel, looks bright, never fade, more hardnessideal for piano tuning replace parts tools2mm dimension:63 x 7specification: material:stainless steel color:silver diameter:7
6 €
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Sword angle: less than 60 degreehandle thickness: 3blade thickness: 3hardness: 53hrcblade length: 4cm
1 €
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Airlab 8mm sorbothane pad 70d hardnesssorbothane cylinder head pad, supplied with a protective shieldsorbothane is a visco-elastic polyurethane with excellent shock absorption, shape retention and sound dampening propertiesmade by airlab in the uk
7 €
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Sword angle: less than 60 degreehandle thickness: 3blade thickness: 3hardness: 53hrcblade length: 4cmmaterial:stainless steel
1 €
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An ideal hardness should lie between 8-12° ghvelda gh plus mlthis ml bottle of gh plus is suitable for treating litres of pond waterml treats litres pond water
22 €
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Palintest calcium hardness (calcicol)manufacturer: palintest
59 €
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Pool calcium hardness pods, 4-lbs. - quantity 1. condition is
29 €
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Raises calcium hardness levels to prevent corrosion that
19 €
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Durable,good harness,strong abrasion resistanceit is also very suitable for beginnersapplication:scooter, vitality board, vitality vehicle, rocket board, children's board,penny board4 x skateboard wheel
12 €
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Durable,good harness,strong abrasion resistance4 x skateboard wheel)(it is also very suitable for beginnersapplication:scooter, vitality board, vitality vehicle, rocket board, children's board,penny board
24 €
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Free, total and combined ci, br, iodine, ph, acid demand, total alkalinity, water hardness and cyanuric acidhandy red tote box contains complete instructions, solutions and testscomplete 11 test lab designed for service professionals
42 €
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General hardness (gh) and carbonate hardness (kh) represents the main "buffering capacity" of water, ithis ubbink aqua gh/kh plus alkalinity booster offers immediate help in case your pond water has a low general hardness (gh) or carbonate hardness (kh)its ability to resist ph changesby adding aqua gh/kh plus, the carbonate that leaches into the water will restore the buffer system by basically neutralising any excess amounts of h+ or oh-, ensuring a balanced gh and kh levelif kh is too low the pond water ph will be less stable and the fish and plants will be harmed by rapid changes in the ph
(England)
18 €
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A pond environment can only be stable and healthy if the total mineral hardness is at least 8° dhthe velda mineral plus pond additive is a very effective means of increasing the mineral hardness of your pondto allow your plants to thrive, the maintenance of the mineral water hardness is very important, since soft water halts biological processes and leads to the acidification of the water environmentthis ml bottle of velda mineral plus is suitable for treating litres of pond waterit is essential for the growth of aquatic plants and the development of micro-organisms, let alone adjusting the mineral balance
(England)
28 €
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To allow your oxygen-producing plants to thrive, the maintenance of carbonate hardness (kh value) is very important, especially since biological processes in the pond continually reduce the carbonate hardnessthe velda kh plus water solution is a very effective means of increasing the carbonate hardness of your pondit mainly consists of calcium and magnesium carbonates to provide enough mineral nutrition for the oxygen-producing plantsthis ml bottle of kh plus is suitable for treating litres of pond watera satisfactory value (6 to 8° kh) fights acidity in the pond environment and helps oxygen-producing plants to grow and develop, thanks to bound co2
(England)
15 €
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Sera pond bio balance increases the carbonate hardness and the total hardness in a natural, gentle way and thus stabilizes the ph value over a long period of timesera pond bio balance natural processes in the pond and heavy rainfall influence the carbonate hardness and the ph valuethis can result in life-threatening ph fluctuationssera pond bio balance properties: for gentle and safe increase in cstabilizes water values ​​and prevents ph fluctuationssera pond bio balance ensures a balanced mineral balance, stress reduction and optimal environmental conditions for fish and plants
25 €
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Sera pond bio balance increases the carbonate hardness and the total hardness in a natural, gentle way and thus stabilizes the ph value over a long period of timenatural processes in the pond and heavy rainfall influence the carbonate hardness and the ph valuesera pond bio balance ensures a balanced mineral balance, stress reduction and optimal environmental conditions for fish and plantsthis can result in life-threatening ph fluctuations
36 €
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9h hardness efficiently resists scrapes from sharp objects such as knives and keys9h hardness - extremely high hardness, glass protector screen effective in absorbing the impactit is designed to be slightly smaller than the actual screen to help prevent bubbles and make it suitable for most phone caseseasy bubble-free installation - automatic adsorption, no any white non-adhesive halo and bubble-freecomes with the align frame, cleaning cloth and dust remover give you one-push super easy installation without bubble and dust problemdispatched with royal mail 2nd class large letterit is made from specially processed tempered glass to protect screen of the device from shocks and scratchesit also keeps your screen away from sweat and oil residue from fingerprintsscreen protector compatible with iphone proit ensures quick response and 100% accurate touch on the screen, also preserves the 3d function5d special design makes the screen protector has comfortable touch feeling of original glass screen edgeoleophobic coating - the hydrophobic and oleophobic screen coating makes it easy to wipe outcondition is "new"hd clarity and quick sensitivity - the premium tempered glass owns super high transmittance and high restoring the original color of screen5d curved-edge and case friendly - 2
5 €
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41 degree sponge hardnessdhs hurricane 3 national (black) 41 degree hardness spongerubber weight 77grams uncutma long forehand rubber
30 €
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50 count 5 factor test strip test for 5 factors: free chlorine bromine alkalinity ph & total hardness50 count 5 factor test strip test for 5 factors: free chlorine bromine alkalinity ph & total hardness
18 €
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The blue sapphire has a hardness of 9 and illuminates the 9th, first red ledfor the diamonds of hardness 10, all 4 of the upper red leds come on, the scale doesn't go any further than that! the 5 sapphires graduate from 1 mm to 2 mm, overall weight approxthe 10 other diamonds are round cut and of equal size - 1are you interested in this item? this item is up for auction at catawikithe ring is in an exquisite condition, barely worn conditioni am offering you a 750 gold ring with 5 sapphires and 14 diamondsthe ring band is 3 mm at the bottom, the ring head is 13 x 13 mmcatawiki’s goal is to make special objects universally availableall gemstones sit in channel settings and their authenticity has been verified, see the final two picturesof the 14 diamonds, 4 pieces are square cut and 10 pieces are round cutthe 4 diamonds are square cut and graduate from 1our weekly auctions feature thousands of unusual, rare, and exceptional objects you won’t find in just any storethe 5 square cut sapphires sit centrally, on each side are the 14 diamonds, see picturesoverall carat weight on this exclusive ring with jewellery box! i ship with dhl insured shipping and tracking number5 to 2 mm and approxplease click on "respond to advert" (orange button) to get redirected to the catawiki website
301 €
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An ideal hardness should lie between 8-12° ghincreasing the water hardness of the pond water quickly and easily5 l quantity of vt gh plus is suitable for treating litres of pond watervelda vt gh plus 7
44 €