Ph controller
Ph controller for sale on Ireland's largest auction and classifieds sites
Eheim control wireless ph - wireless, - £279.85
This usually between • Considered neutral value • Reference has connection - Free postage - New and Used
This usually between • Considered neutral value • Reference has connection - Free postage - New and Used
Online controller with ph - ph, - £295.00
Electrode generates electrical • Potential proportional concentration • Hydrogen ions solution - Free postage - New and Used
Electrode generates electrical • Potential proportional concentration • Hydrogen ions solution - Free postage - New and Used
Eheim control e wireless - ph, - £136.49
This usually between • Considered neutral value • Reference has connection - Free postage - New and Used
This usually between • Considered neutral value • Reference has connection - Free postage - New and Used
Hydroponics bnc connector - bnc, - £10.81
Suitable wide range • Application aquariums hydroponics • Laboratory etc 201 - Free postage - New and Used
Suitable wide range • Application aquariums hydroponics • Laboratory etc 201 - Free postage - New and Used
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Electrode probe bnc - ph, - £15.99
Electrode probe accurate • Can give almost • Instantaneous readings actual - Free postage - New and Used
Electrode probe accurate • Can give almost • Instantaneous readings actual - Free postage - New and Used
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48 listings · from £2.7 · avg £75.21
Browse 48 ph controller listings currently in our index. Prices range from £2.7 to £499.95, with an average of £75.21. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about ph controller →
Envii aquarium equaliser - equaliser, - £13.41
Aquarium equaliser • Really important product • Use month water - Free postage - New and Used
Aquarium equaliser • Really important product • Use month water - Free postage - New and Used
Growth technology down - technology, ph - £64.99
Hydroponics aeroponics soil • Universal application perfect • Based growing suitable - Free postage - New and Used
Hydroponics aeroponics soil • Universal application perfect • Based growing suitable - Free postage - New and Used
Aquarium meter with probe - meter, - £29.99
Range 0.00 14.00ph • Accuracy 0.1ph resolution • 0.01ph electrode probe - Free postage - New and Used
Range 0.00 14.00ph • Accuracy 0.1ph resolution • 0.01ph electrode probe - Free postage - New and Used
Marine aquarium orp - marine, - £47.50
Orp meter all • Comes when plugged • Not sure what - Free postage - New and Used
Orp meter all • Comes when plugged • Not sure what - Free postage - New and Used
Down essentials lab ph - lab, - £2.99
You are buying • From latest manufacturer • Batch ensuring maximum - Free postage - New and Used
You are buying • From latest manufacturer • Batch ensuring maximum - Free postage - New and Used
Bluelab controller - ph, - £499.95
Precision dosing adjuster • Built bluelab peristaltic • Pump set automatically - Free postage - New and Used
Precision dosing adjuster • Built bluelab peristaltic • Pump set automatically - Free postage - New and Used
Aquarium electrode probe - aquarium, ph - £17.49
- Free postage - New and Used
- Free postage - New and Used
Aquarium sensor probe high - ph, - £9.95
This detection sensor • Probe sensitive value • Test accurate item - Free postage - New and Used
This detection sensor • Probe sensitive value • Test accurate item - Free postage - New and Used
Envii pond equaliser gh - ph, - £21.95
Envii pond equaliser • Creates ideal water • Properties within few - Free postage - New and Used
Envii pond equaliser • Creates ideal water • Properties within few - Free postage - New and Used
Hanna grocheck combo ec - hanna, ph - £79.99
- Free postage - New and Used
- Free postage - New and Used
Wifi wireless meter smart - ph, - £72.99
Probe - Free postage - New and Used
Probe - Free postage - New and Used
Electrode probe tester - ph, - £11.00
This detection sensor • Probe sensitive value • Test accurate item - Free postage - New and Used
This detection sensor • Probe sensitive value • Test accurate item - Free postage - New and Used
Bluelab pen - bluelab, - £39.99
Made new zealand - Free postage - New and Used
Made new zealand - Free postage - New and Used
Growth technology down - growth, - £54.45
Never use down • Together you accidentally • Used too much - Free postage - New and Used
Never use down • Together you accidentally • Used too much - Free postage - New and Used
Ph2010a meter and - ph2010a, - £70.00
- Free postage - New and Used
- Free postage - New and Used
Growth technology down - growth, - £14.99
Our down phosphoric • Acid potassium hydroxide • Keep away from - Free postage - New and Used
Our down phosphoric • Acid potassium hydroxide • Keep away from - Free postage - New and Used
Bluelab pen hydroponic - pen, - £94.95
Bluelab products are • Trusted growers across • Globe their accuracy - Free postage - New and Used
Bluelab products are • Trusted growers across • Globe their accuracy - Free postage - New and Used
Essentials down acidity - essentials, - £52.95
Available 250ml new • Essentials vitalink regulators - Free postage - New and Used
Available 250ml new • Essentials vitalink regulators - Free postage - New and Used
Test strips paper full - 80, - £2.70
Versatile applications can • Used testing soil • Water quality aquariums - Free postage - New and Used
Versatile applications can • Used testing soil • Water quality aquariums - Free postage - New and Used
Growth technology up - growth, ph - £8.99
Growth technology quick • Links - Free postage - New and Used
Growth technology quick • Links - Free postage - New and Used
Biobizz plus bio bizz - ph+, - £73.50
Biobizz bio raises • Your nutrient solution • When needed this - Free postage - New and Used
Biobizz bio raises • Your nutrient solution • When needed this - Free postage - New and Used
Electrode with bnc - ph, - £46.43
Glicherweise haben wir • Die elektrode derzeit • Nicht der transparanten - Free postage - New and Used
Glicherweise haben wir • Die elektrode derzeit • Nicht der transparanten - Free postage - New and Used
Electrode probe tester - electrode, - £12.08
Item type probe • Heavy duty sun • Shade sail garden - Free postage - New and Used
Item type probe • Heavy duty sun • Shade sail garden - Free postage - New and Used
Aquatronica aquarium - aquatronica, - £200.00
Aquatronica website more - Free postage - New and Used
Aquatronica website more - Free postage - New and Used
Bluelab meters guardian - meters, - £346.95
Replaceable bluelab probe • Inline rated bar • Bnc connection continuously - Free postage - New and Used
Replaceable bluelab probe • Inline rated bar • Bnc connection continuously - Free postage - New and Used
301 digital controller - ph-301, - £85.99
Resolution 0.01ph set • Range 3.50 10.50ph • Detachable electrode input - Free postage - New and Used
Resolution 0.01ph set • Range 3.50 10.50ph • Detachable electrode input - Free postage - New and Used
301 digital controller - digital, - £91.68
Resolution 0.01ph set • Range 3.50 10.50ph • Detachable electrode input - Free postage - New and Used
Resolution 0.01ph set • Range 3.50 10.50ph • Detachable electrode input - Free postage - New and Used
Bluelab controller connect - ph, - £139.95
Bluelab connect • Stick receives wireless • Monitors logging data - Free postage - New and Used
Bluelab connect • Stick receives wireless • Monitors logging data - Free postage - New and Used
Tap aquarium doctor - ph, control - £5.99
Use monthly maintain • Optimum alkalinity should • Monitored test kit - Free postage - New and Used
Use monthly maintain • Optimum alkalinity should • Monitored test kit - Free postage - New and Used
Growth technology down - up, - £23.95
Never use down • Together you accidentally • Used too much - Free postage - New and Used
Never use down • Together you accidentally • Used too much - Free postage - New and Used
Electrode with bnc - ph, - £46.43
Die baugleiche elektrode • Schwarzer ausf hrung • Wichtig ggf erhalten - Free postage - New and Used
Die baugleiche elektrode • Schwarzer ausf hrung • Wichtig ggf erhalten - Free postage - New and Used
Biobizz organic ph - up, & - £31.85
Bio aqueous solution • Made citric acid • Found naturally different - Free postage - New and Used
Bio aqueous solution • Made citric acid • Found naturally different - Free postage - New and Used
Bnc electrode probe - bnc, - £11.89
This detection sensor • Probe sensitive value • Test accurate item - Free postage - New and Used
This detection sensor • Probe sensitive value • Test accurate item - Free postage - New and Used
W3988 multiparameter water - multiparameter, - £82.59
Water quality tester • 19000us 199.0ms 1us • 10us 1000us 0.1ms - Free postage - New and Used
Water quality tester • 19000us 199.0ms 1us • 10us 1000us 0.1ms - Free postage - New and Used
110 meter online - ph-110, - £89.99
Accuracy 0.02 resolution • Standard solution 4.00 • 6.86 9.18 display - Free postage - New and Used
Accuracy 0.02 resolution • Standard solution 4.00 • 6.86 9.18 display - Free postage - New and Used
Electrode probe connector bnc - electrode, - £10.93
This detection sensor • Probe sensitive value • Test accurate item - Free postage - New and Used
This detection sensor • Probe sensitive value • Test accurate item - Free postage - New and Used
Growth technology up - -, ph - £16.50
Never use down • Together you accidentally • Used too much - Free postage - New and Used
Never use down • Together you accidentally • Used too much - Free postage - New and Used
Biobizz plus bio bizz - biobizz, - £16.50
Biobizz bio raises • Your nutrient solution • When needed this - Free postage - New and Used
Biobizz bio raises • Your nutrient solution • When needed this - Free postage - New and Used
Jbl pro flora - pro, set - £74.99
Acidity defines value • Water needs constantly • Checked adjusted necessary - Free postage - New and Used
Acidity defines value • Water needs constantly • Checked adjusted necessary - Free postage - New and Used
New controller with writer - new, - £72.13
Notes has scratches • Rust refer photos • Worldwide express shipping - Free postage - New and Used
Notes has scratches • Rust refer photos • Worldwide express shipping - Free postage - New and Used
Electrode with bnc - electrode, - £46.43
Die baugleiche elektrode • Schwarzer ausf hrung • Wichtig ggf erhalten - Free postage - New and Used
Die baugleiche elektrode • Schwarzer ausf hrung • Wichtig ggf erhalten - Free postage - New and Used
803 digital ph orp - digital, - £110.88
Orp 1999 1999mv • 500 500mv 0.00 • 14.00ph 0.01ph 0.1 - Free postage - New and Used
Orp 1999 1999mv • 500 500mv 0.00 • 14.00ph 0.01ph 0.1 - Free postage - New and Used
Pond salt 2kg 10kg - 2kg, & - £22.99
2kg 5kg 10kg • Koi pond salt • Goldfish ponds boost - Free postage - New and Used
2kg 5kg 10kg • Koi pond salt • Goldfish ponds boost - Free postage - New and Used
Try this: reef lighting | seneye | slate cave | sps coral | superfish aquarium | t8 light unit | tmc led | turtle aquarium | turtle tank | ultraviolet sterilizer
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Everything you need to know about ph controller
Whether you are looking for a brand-new or second-hand ph controller, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £2.7, while premium listings can reach £499.95 — giving you a wide budget spread to work with. The average price of £75.21 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.