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- Oct 15, 2016
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Illl defer to the experts but this tubing seems to fit the bill https://www.amazon.com/gp/product/B0002APXPA/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
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It is should be OK but a little too samll and i am afraid the connector can not fix on thetube of KHG end.Awesome thank you. Never seen air tubing that small in the hobby. I ordered, Metric Tubing, 2 mm OD, 1.2 mm ID you think this is correct?
2.5mm ID is what we suggest to use.I would also like to know what size tubing is correct for the lines on the Guardian unit and where to order in the USA.
That doesn't seem right at all. After a few tests it should be inline.Just thought I'd throw in my experience so far with the KH Guardian Monitor (monitors only, doesn't dose). After running through setup, everything works correctly, except the results. It always reads almost 11 dkh exactly, at all times of the day, no matter what. But my Hanna and Red Sea titration both show DKH around 8.7 at night and 8.1 during the day, moving up and down slightly as expected. Contacted support, and after a few follow up questions and info gathering, the answer I get is to wait a few days to see if it starts working correctly. We shall see...
Correct they did ask quite a few. I've calibrated the PH probe 4 times now. The PH probe reads correctly though. Hose from tank water to unit is 24" long tip of hose to back of unit. I weighed exactly 1500g of water. I did this by putting my container onto my scale, zeroing it out, then adding RODI until it got to 1500g. I cannot see any bubbles visibly in the hose.That doesn't seem right at all. After a few tests it should be inline.
I'm sure they asked you some of these but some obvious ones:
- Positive no air bubbles in reagent hose?
- Length of hose from tank water to unit?
- Post a few lines from your log; I'm curious the value for W.
- Positive you mixed reagent with 1500 grams of water without major error?
- Try calibrating pH problem again?
Today's log.That doesn't seem right at all. After a few tests it should be inline.
I'm sure they asked you some of these but some obvious ones:
- Positive no air bubbles in reagent hose?
- Length of hose from tank water to unit?
- Post a few lines from your log; I'm curious the value for W.
- Positive you mixed reagent with 1500 grams of water without major error?
- Try calibrating pH problem again?
Doesn't seem correct at all. They don't seem to document some of the other fields on Error lines. It's clearly reporting an error before you get a proper KH result. I'm curious what W.A 176 is as it seems like a max number of something. What's the No_SW_ERR value in your system setup? Maybe make sure the white float in the reaction chamber can slide back and forth without issue.Today's log.
09/11 08:18:04 W.A 176 K2:80 ERROR ! KH :11.06
09/11 08:19:41 W.137 %0 AK. 0.00 KH :11.06
09/11 09:06:19 W.135 %0 AK. 0.00 KH :11.03
09/11 09:06:20 W.A 176 K2:80 ERROR ! KH :11.03
09/11 09:07:56 W.136 %0 AK. 0.00 KH :11.02
09/11 13:20:42 W.A 176 K2:80 ERROR ! KH :11.02
09/11 13:22:18 W.136 %0 AK. 0.00 KH :11.02
09/11 17:34:19 W.A 176 K2:80 ERROR ! KH :11.03
09/11 17:35:55 W.136 %0 AK. 0.00 KH :11.02
09/11 21:48:00 W.A 176 K2:80 ERROR ! KH :11.03
09/11 21:49:36 W.138 %0 AK. 0.00 KH :11.02
09/12 02:01:22 W.A 176 K2:80 ERROR ! KH :11.03
09/12 02:02:58 W.139 %0 AK. 0.00 KH :11.02
09/12 02:26:30 RESET !
09/12 02:34:41 W.A 176 K2:80 ERROR ! KH :11.06
09/12 02:36:17 W.138 %0 AK. 0.00 KH :11.03
It's very possible it's not related. They don't list W.A # in any reference. Interesting it's the same number as the default though. The manual actually says the normal range is lower. I'll look at what mine is set at tonight.Tried setting sw err to 190, but same result.
09/12 04:05:31 Save New System Environment.
09/12 04:15:40 W.A 176 K2:80 ERROR ! KH :11.04
09/12 04:17:16 W.139 %0 AK. 0.00 KH :11.04
It's very possible it's not related. They don't list W.A # in any reference. Interesting it's the same number as the default though. The manual actually says the normal range is lower. I'll look at what mine is set at tonight.
Does it sound like it's running a second test? I'm guessing, but what it sounds like: it's running a test; detects some sort of error (maybe no sw/too much sw?), reports error, finishes its test cycle by purging some water, gives you some wrong KH value.
Maybe investigate like this:
Pre Test - Check the reaction chamber for water
Run Test - After it's been adding water to the reaction chamber, unplug it before you would get an error and it could purge water, check the reaction chamber, more water? white float, floating?
Not sure whether we're allowed to post FB Groups but it's called "KH Guardian---KHG Auto alk dosing ; auto KH controller Dr. Bridge". Get a post going there too.
That's not the position the video and documentation show. But I'll try it. Stand by.
Please check your ph probe on monitor settled in correct position?
Running the test more and each time the KH gets lower. Down to 10.0. Getting closer to what it should be. Will run more and overnight and see what happens. You guys need to update your video and manual on the position of the PH probe!!