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Guest
Was able to cancel the order since it didnt go out yet. Got all my money back. I just went and bought a Nutra-Dip tri-meter instead.
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Guest
Here is how Hanna explained it to me... one thing that did help was the guy was totally honest with me, even though it went against all their advertising...and the knowledge would help me preserve the next probe.
The pH probe is NOT waterproof. It is water resistant. The reason for this difference is they cannot guarantee the probe wont get water in it if it's submerged in a tank mixed with an acid solution.... ok, that makes sense.
Next he said the reason MINE broke was it was completely submerged in the water. These probes are threaded for a reason. The probe itself is all that should be in the water - put the whole thing in there and it WILL leak eventually. Especially where the wire connects to the probe housing.
I confirmed mine was fucked by drying it and smashing it...smashing it some more... cursing at it and crushing it again. There was a puddle where the probe was, so it had filled up with water.
SO....Hanna 'honestly' recommends to get a PVC pipe (threaded) and position it in the rez allowing the probe to be screwed into it. This will permit only the probe itself to get wet and prevent the housing/compound joints to be soaked.
So that's it in a nutshell... if yours is in your rez and working fine, congrats, but I would HIGHLY recommend you rig it so the probe only is in the water - cause mine was working fine up until it got fucking soaked...
Sigh....
The pH probe is NOT waterproof. It is water resistant. The reason for this difference is they cannot guarantee the probe wont get water in it if it's submerged in a tank mixed with an acid solution.... ok, that makes sense.
Next he said the reason MINE broke was it was completely submerged in the water. These probes are threaded for a reason. The probe itself is all that should be in the water - put the whole thing in there and it WILL leak eventually. Especially where the wire connects to the probe housing.
I confirmed mine was fucked by drying it and smashing it...smashing it some more... cursing at it and crushing it again. There was a puddle where the probe was, so it had filled up with water.
SO....Hanna 'honestly' recommends to get a PVC pipe (threaded) and position it in the rez allowing the probe to be screwed into it. This will permit only the probe itself to get wet and prevent the housing/compound joints to be soaked.
So that's it in a nutshell... if yours is in your rez and working fine, congrats, but I would HIGHLY recommend you rig it so the probe only is in the water - cause mine was working fine up until it got fucking soaked...
Sigh....
A
avgjoe
Count me in as another person who just had their ph probe on a 991404 grocheck combo meter go out. When I contacted customer support the guy didn't seem too surprised and the probe is only warrantied for 6 months. 80 dollars for a replacement please. What a business model - sell faulty shite and then gouge full retail price for replacement parts.
I will definitely be looking at a different company next time and suggest you do the same.
I would also like to add that the instructions do not state that the entire probe can not be placed in the water and only says that it is threaded for convenience on certain setups. something like that. I would think the majority of people are obviously going to be just dropping the whole probe in a res.
I will definitely be looking at a different company next time and suggest you do the same.
I would also like to add that the instructions do not state that the entire probe can not be placed in the water and only says that it is threaded for convenience on certain setups. something like that. I would think the majority of people are obviously going to be just dropping the whole probe in a res.
bounty29 said:I ended up getting the Hanna pH/EC/TDS/Temp tester at bghydro.
http://www.bghydro.com/BGH/itemdesc.asp?ic=TEMCOHAP&eq=&Tp=
(I don't remember paying that much though)
I could've gotten cheaper ones but I've seen a lot of positive reviews about this. mtnjohn has a good point about cheap replacements, but from what I've read you won't need to replace this one for a good long time.
Just so we can hear you slap your forehead and yell "shit":
http://www.sunstoneherbals.com/hanna_combo_ph_ec_tds_temp_waterproof_tester_hi98129.htm
It is a very nice meter and I love the auto-calibration.
Ah ok obviously didnt see that post! My bad.
G
Guest
FYI all pH probes go bad. Continuous ones go bad sooner. In normal operation in industrial applications, probes get replaced at 6-12 month intervals. The cable seal is rarely waterproof, as it's not normally needed.
bobs your uncle
Member
Doh! - I've been going to great lengths to position the probes just right, i.e., totally submerged, not resting on the bottom, not touching the sides of the tank etc. After reading this thread/warning, I re-read the manual for the HI 991404 and right there in plain view is a diagram of recommended placement of the probes.
Although the instructions don't mention anything about not submerging or not being waterproof, the diagram is pretty clear as to the probe housing being out of the solution.
I thought about "floating" my probes before reading this thread but decided against it, thinking the surface of the solution might not be the best place for accurate readings, but that's why we have mixing/circulation pumps in our reservoir's right?
So here's how I'm floating-
Just be sure to use closed cell foam or you'll end up with a sponge instead of a float.
Cheers
Although the instructions don't mention anything about not submerging or not being waterproof, the diagram is pretty clear as to the probe housing being out of the solution.
I thought about "floating" my probes before reading this thread but decided against it, thinking the surface of the solution might not be the best place for accurate readings, but that's why we have mixing/circulation pumps in our reservoir's right?
So here's how I'm floating-
Just be sure to use closed cell foam or you'll end up with a sponge instead of a float.
Cheers
G
Guest
This is one of the most simple and so over looked solutions to this problem. You are a smart crafty SOB! Great Job!
My next comment is going to sound kind of well... ignorant maybe. Why would you guys ever buy something you know is going to fail when you are A) Depending on it for medicine by growing it yourself or B) Growing it for money or to save money by growing it yourself, either way you are possibly messing your crop up when a chemical test is always right on and never fails unless something contaminates the water before you put the drops into it.
Just use a vial and drop setup and you guys will never have this problem, and it only takes 1/100th the time of calibrating pH meters w/ chemicals, lol...
Its almost the same thing, lol.
My next comment is going to sound kind of well... ignorant maybe. Why would you guys ever buy something you know is going to fail when you are A) Depending on it for medicine by growing it yourself or B) Growing it for money or to save money by growing it yourself, either way you are possibly messing your crop up when a chemical test is always right on and never fails unless something contaminates the water before you put the drops into it.
Just use a vial and drop setup and you guys will never have this problem, and it only takes 1/100th the time of calibrating pH meters w/ chemicals, lol...
Its almost the same thing, lol.
Nice solution byu, that should make them last a lot longer than if you had them submerged. If you've got an airstone or something in your solution then readings should be the same just about everywhere.
The reason I wanted it was so that I could see the pH and PPM just by opening the growroom door. I know some people like to grow blind, some people like to test some things, and some people want to know everything, and I'm really interested in watching how the pH and PPM changes in "real-time." I was going to keep a notebook and keep track of how much they were feeding, whether they were using water faster than nutes, or nutes faster than water, and adjust things based on that.
I can still do all that with the pen probe, it just takes a little more work. And adding 2 minutes to something that I wanted to do 5x a day for 3 months adds up. I'd still like to buy a continuous probe in the future, but not anytime soon.
The reason I wanted it was so that I could see the pH and PPM just by opening the growroom door. I know some people like to grow blind, some people like to test some things, and some people want to know everything, and I'm really interested in watching how the pH and PPM changes in "real-time." I was going to keep a notebook and keep track of how much they were feeding, whether they were using water faster than nutes, or nutes faster than water, and adjust things based on that.
I can still do all that with the pen probe, it just takes a little more work. And adding 2 minutes to something that I wanted to do 5x a day for 3 months adds up. I'd still like to buy a continuous probe in the future, but not anytime soon.
G
Guest
BobsUncle - BRILLIANT!!! I am slappin myself cause I didnt think of this! Jesus how easy can styro be! Time to find some old packing boxes...
Hey Chodo - the reason for the submersible is TOTAL convenience! I have 2 small air lines going down into the rez and probes float in there. I hit a button and can see the EC/pH and then add pH Up/Down using a syringe and the air tubes... PERFECT for DWC SCROG'N! Never even have to open the lid....
Hey Chodo - the reason for the submersible is TOTAL convenience! I have 2 small air lines going down into the rez and probes float in there. I hit a button and can see the EC/pH and then add pH Up/Down using a syringe and the air tubes... PERFECT for DWC SCROG'N! Never even have to open the lid....
Klutter said:Can't tell ya how pissed I am at Hanna...
Just wanna pull an office-space on this fucking waste of money....
I'm so down with that. My grocheck 9813-6 has given me nothing but problems pH wise but the funny thing is the damn thing can read the TDS down to 1 ppm deviation consistently but couldn't read a pH if it's life depended on it.
paperjam
pc load letter?
POS
I've got my pistol pon cock
ready to lick shots non-stop
until I see your ass drop
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High Jinks
Member
Piece of Junk Hanna Garbage, i'm gettin a Trimeter!
Piece of Junk Hanna Garbage, i'm gettin a Trimeter!
Just wanted to join the misery loves company club, and vent my frustrations...
Today was the last straw in my relationship with my hanna combo growcheck. The Ph TOTALLY crapped out; would not even recognize the 4.01 solution when i tried to calibrate it for the last time. When i guessed that my solutions were contaminated, and used tap water as "7," then tested my nutrients, and it told me 6.74, and no mater how much ph down i used it never budged. then i tried the drops, just to see... and my nutrients were so acidic, it could have killed toons in WHO FRAMED ROGER RABBIT. Of course my ph probe was submersed ALL the time. How the hell am i supposed to ASSUME that with a continuous meter, it SHOULDN'T be submerged!?
There is this in the instructions:
"Note:
Measurements have to be taken with both probes (PH-electrode and EC/TDS/temperature probe) immersed in the same vessel. "
Immersing.] 1. To plunge into anything that surrounds or covers, especially into a fluid; to dip; to sink; to bury; to immerge.
DONT BUY THIS CRAP.
ALSO, i have to turn off my LUMATEK 600digi because the RF or whatever COMPLETELY scrambles the PH readings. I would have to go in there, turn off lights, plug it in, adjust ph, turn off, and flip the lights again before i feed them. It never affected TDS, in fact that is the only good thing about this junk.
jeez, i'm sorry. Time to smoke. 
Piece of Junk Hanna Garbage, i'm gettin a Trimeter!
Just wanted to join the misery loves company club, and vent my frustrations...
Today was the last straw in my relationship with my hanna combo growcheck. The Ph TOTALLY crapped out; would not even recognize the 4.01 solution when i tried to calibrate it for the last time. When i guessed that my solutions were contaminated, and used tap water as "7," then tested my nutrients, and it told me 6.74, and no mater how much ph down i used it never budged. then i tried the drops, just to see... and my nutrients were so acidic, it could have killed toons in WHO FRAMED ROGER RABBIT. Of course my ph probe was submersed ALL the time. How the hell am i supposed to ASSUME that with a continuous meter, it SHOULDN'T be submerged!?
There is this in the instructions:
"Note:
Measurements have to be taken with both probes (PH-electrode and EC/TDS/temperature probe) immersed in the same vessel. "
Immersing.] 1. To plunge into anything that surrounds or covers, especially into a fluid; to dip; to sink; to bury; to immerge.
DONT BUY THIS CRAP.
ALSO, i have to turn off my LUMATEK 600digi because the RF or whatever COMPLETELY scrambles the PH readings. I would have to go in there, turn off lights, plug it in, adjust ph, turn off, and flip the lights again before i feed them. It never affected TDS, in fact that is the only good thing about this junk.
jeez, i'm sorry. Time to smoke. 
