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 screen4 tempered glass filmmaterial: tempered glass3mm thickness, the silm design with sensitive touch-and fit for the dock perfectly
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 3tests show that under normal conditions of use, it can ensure that it will scratch for 3 yearshigh-strength anti-scratch: 9h hardness, much higher than ordinary film 3h hardness, rejects screen scratching
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 hardnessspecification: material:stainless steel color:silver diameter:72mm dimension:63 x 7ideal for piano tuning replace parts tools
6 €
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Blade length: 4cmhandle thickness: 3hardness: 53hrcsword angle: less than 60 degreeblade thickness: 3
1 €
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Airlab 8mm sorbothane pad 70d hardnesssorbothane is a visco-elastic polyurethane with excellent shock absorption, shape retention and sound dampening propertiesmade by airlab in the uksorbothane cylinder head pad, supplied with a protective shield
7 €
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Blade length: 4cmhandle thickness: 3material:stainless steelhardness: 53hrcsword angle: less than 60 degreeblade thickness: 3
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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4 x skateboard wheelit is also very suitable for beginnersapplication:scooter, vitality board, vitality vehicle, rocket board, children's board,penny boarddurable,good harness,strong abrasion resistance
12 €
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4 x skateboard wheel)application:scooter, vitality board, vitality vehicle, rocket board, children's board,penny boarddurable,good harness,strong abrasion resistance(it is also very suitable for beginners
24 €
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Free, total and combined ci, br, iodine, ph, acid demand, total alkalinity, water hardness and cyanuric acidcomplete 11 test lab designed for service professionalshandy red tote box contains complete instructions, solutions and tests
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)if 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 phits 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 level
(England)
18 €
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The velda mineral plus pond additive is a very effective means of increasing the mineral hardness of your ponda pond environment can only be stable and healthy if the total mineral hardness is at least 8° dhto 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 ponda satisfactory value (6 to 8° kh) fights acidity in the pond environment and helps oxygen-producing plants to grow and develop, thanks to bound co2this ml bottle of kh plus is suitable for treating litres of pond waterit mainly consists of calcium and magnesium carbonates to provide enough mineral nutrition for the oxygen-producing plants
(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 valuestabilizes water values ​​and prevents ph fluctuationsthis can result in life-threatening ph fluctuationssera pond bio balance ensures a balanced mineral balance, stress reduction and optimal environmental conditions for fish and plantssera pond bio balance properties: for gentle and safe increase in c
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 valuethis can result in life-threatening ph fluctuationssera pond bio balance ensures a balanced mineral balance, stress reduction and optimal environmental conditions for fish and plants
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 impacthd 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 - 2it is designed to be slightly smaller than the actual screen to help prevent bubbles and make it suitable for most phone casesit also keeps your screen away from sweat and oil residue from fingerprintseasy bubble-free installation - automatic adsorption, no any white non-adhesive halo and bubble-free5d special design makes the screen protector has comfortable touch feeling of original glass screen edgecomes with the align frame, cleaning cloth and dust remover give you one-push super easy installation without bubble and dust problemscreen protector compatible with iphone procondition is "new"it is made from specially processed tempered glass to protect screen of the device from shocks and scratchesdispatched with royal mail 2nd class large letteroleophobic coating - the hydrophobic and oleophobic screen coating makes it easy to wipe outit ensures quick response and 100% accurate touch on the screen, also preserves the 3d function
5 €
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41 degree sponge hardnessdhs hurricane 3 national (black) 41 degree hardness spongema long forehand rubberrubber weight 77grams uncut
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 approxcatawiki’s goal is to make special objects universally availableare you interested in this item? this item is up for auction at catawikithe 5 square cut sapphires sit centrally, on each side are the 14 diamonds, see picturesour weekly auctions feature thousands of unusual, rare, and exceptional objects you won’t find in just any storethe ring is in an exquisite condition, barely worn conditionof the 14 diamonds, 4 pieces are square cut and 10 pieces are round cutthe ring band is 3 mm at the bottom, the ring head is 13 x 13 mmplease click on "respond to advert" (orange button) to get redirected to the catawiki websiteall gemstones sit in channel settings and their authenticity has been verified, see the final two picturesi am offering you a 750 gold ring with 5 sapphires and 14 diamondsthe 4 diamonds are square cut and graduate from 1overall carat weight on this exclusive ring with jewellery box! i ship with dhl insured shipping and tracking numberthe 10 other diamonds are round cut and of equal size - 15 to 2 mm and approx
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 €