Promoted item:Bluelab pH Calibration & Cleaning Kit

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Bluelab pH Calibration & Cleaning Kit

  • All meters can suffer from contamination and salt deposits that will reduce their accuracy.
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  • 14d 18h 42m
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  • £5.99
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14d 5h 12m left
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250ml of buffer 7 solution used to calibrate ph meters. A twin pack of buffer 4 and 7 is also available in our shop listed on item number: 270824975304. We will always help you to have a 100% positive...
20d 18h 15m left
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PH CALIBRATION SACHETS 4.00 6.86 pH buffer sachets are ideal for calibration and to test the accuracy of pH meters. Use both 4.0 and 6.86 sachets for a more accurate (or two point) calibration.NB: Onl...
28d 23h 57m left
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20d 18h 17m left
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1x Buffer 4 pH Calibration solution 300ml. Some pH pens have a two point calibration where buffer 4 and buffer 7 is required so please check which solution you require. Calibration solutions.
14d 5h 14m left
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1x Buffer 7 pH Calibration solution 300ml. Some pH pens have a two point calibration where buffer 7 and buffer 4 is required, please check which one you require. Or see our listing for Buffer 4 and 7 ...
21d 15h 26m left
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This solution is of a known and fixed pH. This is used to calibrate pH meters. This should be done on a regular basis to ensure ongoing accuracy from the meter.
8d 21h 41m left
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Solutions of a known and fixed pH. These are used to calibrate pH meters. This should be done on a regular basis to ensure ongoing accuracy from the meter. All orders come with track and trace for you...
18d 21h 56m left
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1x Buffer 4 and 7 pH Calibration solution 300ml. Some pH pens have a two point calibration where buffer 4 and buffer 7 is required. This listing is for both Buffer 4 and 7 together.... better value......
11d 18h 13m left
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Use the Buffer Sachet to calibrate your pH Meter. Dip meter into liquid if pH 4 is not shown on meter then you will need to calibrate the meter as per the instructions provided with the meter.
24d 4h 57m left
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Sizes available: , 250ml, 1L. Essentials buffers use two values of 4 and 7pH to calibrate your pH testers as they are at the outer reaches of the range of pH where you work in hydroponics i.e.
17d 21h 25m left
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Essentials buffers use two values of 4 and 7pH to calibrate your pH testers as they are at the outer reaches of the range of pH where you work in hydroponics i.e. 5.5-6.5.
16d 23h 9m left
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This item is being sold by eBay Top rated seller.
Sizes available: , 250ml, 1L. Essentials buffers use two values of 4 and 7pH to calibrate your pH testers as they are at the outer reaches of the range of pH where you work in hydroponics i.e.
17d 21h 31m left
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PH BUFFER POWDER for Calibration of PH Meter. Ph 6.86. Ph 4.00. This is a powder, in a sealed packet there is no "shelf life". Just add water or distilled water. Double your traffic.
7d 16h 30m left
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Single use buffer 4 7 calibration fluid to ensure you PH meter is reading correctly, we do have the 250ml size bottles listed in our eBay shop. 250ML Buffer Pack. This is the content for tab four.
20d 18h 14m left
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This item is being sold by eBay Top rated seller.
This solution is of a known and fixed pH. This is used to calibrate pH meters. This should be done on a regular basis to ensure ongoing accuracy from the meter.
10d 20h 18m left
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1 litre combo pack.
24d 8h 5m left
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8d 6h 56m left
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You are purchasing a high quality handheld pH test meter, complete with hard carry case, instructions, calibration solutions, and calibration screw. Suitable for use with Aquarium / Pond, Pool / Spa, ...
21d 21h 47m left
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Single use buffer 7 calibration fluid to ensure you PH meter is reading correctly, we do have the 250ml size bottles listed in our eBay shop. We will always help you to have a 100% positive happy buyi...
8d 12h 49m left
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No contamination of the calibration fluid as these are single use sachets. Single pH value sachets can be found in our ebay shop. Quality single use sachets of calibration fluids.
11d 18h 23m left
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22d 16h 21m left
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From China
25d 16h 27m left
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250ml of buffer 7 solution and 250ml of buffer 4 solution used to calibrate ph meters.
22d 21h 6m left
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From United States
10d 12h 29m left
£29.69
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250ml of buffer 4 solution used to calibrate ph meters. A twin pack of buffer 4 and 7 are also available in our shop listed on item number: 270824975304. This is the content for tab four.
17d 4h 54m left
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This item is being sold by eBay Top rated seller.
Essentials ph buffer 7 250ml, "PH" 7 solution used to calibrate ph test meter use in conjunction with PH buffer 4. Welcome to Homegrown Hydroponics. Paypal only from outside the uk.
17d 22h 35m left
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1x Buffer 4 pH Calibration solution 300ml. Some pH pens have a two point calibration where buffer 7 and buffer 4 is required, please check which one you require. Or see our listing for Buffer 4 and 7 ...
22d 15h 1m left
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From United States
20ml single-use Bluelab Solution Sachets, 2 each of: pH 7.0 pH 4.0, KCl, 2.77 EC. Bluelab pH Probe Cleaner. Bluelab Conductivity Probe Cleaner. Bluelab Toothbrush (pH probe cleaning instrument)
25d 8h 19m left
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