How often do you calibrate your (Hanna) Ph meter? | Reef2Reef
2018年11月24日 · It requires 4.01 PH solution. I have 7.01 and 10.01 currently. From what I understand the Hanna can use use either 4.01 and 7.01 or 7.01 and 10.01. My PH has always read between 8 and 8.5 more or less. I tested today with my "cheap" meter and Hanna meter at the same time. Cheap meter read 8.3 Hanna read 8.6. Calibrated the Hanna and it read 8.0.
How often to recalibrate pH probes? | Reef2Reef
2023年2月6日 · How often do you guys calibrate pH probes? My Alkatronic suggests every 8 months, but the Hydros controller suggested every 3. It's been 90 days since I setup my hydros, so I calibrated both probes today and was surprised at how far the readings had drifted... both were off by about 0.2-0.3. Usually my pH reading ranges from 8.2-8.4 in a 24hr ...
Best PH Meters | Reef2Reef
2017年1月29日 · I have 2 of the Hanna PH meters & can't seem to get them to Calibrate so looking for something that works better. I don't have a Neptune Type controller so anything with them wont work. Have Salifert & Sera test kits that I also use. Which PH meters are you using & what do you like most about it.
Can't calibrate Apex pH probe - Reef2Reef
2014年4月21日 · Hanna 7.97 - now the spread is getting greater. My PH on both probes has gradually increased, and now stable- currently only running one of my skimmer air inlets to the Scrubber, with a Y connector to hook up the other tomorrow. I assume my PH will take another spike within a day or two after I make both connections (Jump400 skimmer).
How Often Do You Calibrate Your Ph Probe/s? | Reef2Reef
2024年6月1日 · Got my first pH meter which stays in my tank and continuously monitor my pH level. For a few months and it has been giving reasonable numbers until one day it suddenly starts to read 1 whole pH lower. I thought there must be something wrong with my tank so I added pH buffer trying to bump up the numbers. I can see it rise but not as much as I ...
Neptune pH Calibration Help | Reef2Reef
2022年12月2日 · Hello, I am trying to calibrate my apex pH probe. After calibrating in pH 10 solution I keep the probe in the pH 10 and apex reads between 9.0 - 9.7 after calibration. I calibrate pH meters as part of my job, why is it saying the pH 10 is in acceptable range if the pH10 solution is actually...
Apex Neptune PH problem | Reef2Reef
2013年2月1日 · It seams that the settled number is the number it’s calibrating to. So if I have it in the 7.0 solution it settles at 670 and 970 on the 10. When I place them in the solution I and .28 off. I even crossed checked with a ph pen readings are off. How do I fix this. I just spent over $1500 on this and I can’t even get it to read a simple ph ...
Everyone’s favorite Continuous pH monitor? | Reef2Reef
2019年12月16日 · My hanna is a dual ph and tds meter. My milwaukee is ph only probe type. You can get one on ebay for under $100. Not a fan of stick ph meters but they are ok if you can calibrate them. What you are using now is fine. I amost never use mime to check tank ph as it is alway a 7.9-8.2 swing and I dont worry about it.
Apex ph probe can not calibrated | Reef2Reef
2018年3月6日 · Right now, my ph probe able to calibrate with solution7.0 but fail with 10.0. I put my probe back to my tank and it show 6.83. I use auto calibrate and did everything and did it several times but keep failing at that step. It also put those fluid in sump with same DT temperature but no luck.
Does Milwaukee MC120 pH monitor RE-calibration require both …
2020年5月15日 · I just purchased and received this pH monitor. I calibrated with both the pH 4.01 and 7.01 solutions and so far it seems to be working pretty well, reading between 8.1 and 8.3 pH depending on time of day. Question is, Milwaukee recommends recalibrating every month.