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The extra holes just allow a little bit more flow, completely optional.

I'm going to go with what Jason said. It would have to be stress related. Perhaps overtightened at one point ? Nice way to fix it however.

I would have to say Yes. Personally I think it would make things a bit hard to maintain. The 3/8" line gives more flow then I would suspect anyone would need short of a very large pool, in which case they would probably not be using a Liquidator. Just my opinion of course.

Aquaman95, just wanted to let you know I received the pinch valve today and I'm in the process of trying to get it all working again. The coil is still good, so there is hope without a doubt. It doesn't appear to be frozen, but the travel distance is very very short. I'll let you know how...

Wow, I would love to try and get that working again. I sent you a PM with my info. I can't see myself spending $165 on a new one as I haven't spent half that on my entire project so far. Thank you!

It's on the outlet side of the LQ and is normally closed. It's pretty much a spring loaded solenoid that covers a hole. When engaged it opens the hole and allows flow. The bad part is that it would have chlorinated water flowing around the stainless parts of the solenoid. Pinch valve...

I will do some research on this, I want to be sure this project works correctly.

With the right tools and experience it's not all too hard. I've been doing this sort of thing as a hobby for about 25 years. Chances are I'll just drop it, easy enough to remove it from the code and will free up a bit of memory. Ya, I was kind of thinking the same thing. Do you have any...

Very good point. I might also be able to compensate for this in software. Perhaps a settable overshoot offset that causes a delay. If you were targeting 650mv the software might shut off at 630mv and not check again for say half an hour. Once the time is up it could test and inject for 15...

I'm actually using a look up table. It will allow a non linear ramp. Pretty much instead of calculating on the fly I would like to use the table to just read a pre-calculated value. That's not to say an equation for adjustment could not be applied against that looked up value. Thanks for...

Hey I like that idea. So is there any way to even get in the ballpark with the ORP to PPM relation ? Not that I really need PPM, I just thought it would be nice.

Well I've been working this spring on my Liquidator automation controller. I just need some help from someone with some experience in the field converting mv to parts per million (ppm). Here is my project as it stands now, I've started to layout the circuit board for the project and I...

I'm no expert in the subject either, I almost ordered the wrong parts when I was first preparing the project. The whole 1/4 inch thing is very confusing. I can say however that the parts list I gave works. I think a few others can confirm this.

I used an Epoxy Appliance white. It holds up really well, just takes a long time to dry. I left a masked off strip down the side so I could see the level.

1/4" NPT is what you want for 3/8 ID line. It's much larger then 1/4". It's very confusing I know. See this page. http://en.wikipedia.org/wiki/National_pipe_thread

I've been thinking about purchasing an SWG, if I do I'll get something expensive with a good warranty and an automatic regulator ~$1400. I'm in no hurry to do so however as my Liquidator has been working wonderfully. I just add some 12.5% to it every couple of weeks and good to go. Zero...

I was ready to toss my LQ before I did all this. I was really getting frustrated with the lack of flow. My wife was starting to question my intelligence on my purchase. That's never a good thing. I'm happy to hear others are having the same success with this conversion that I have. Do you...

I'm getting HASA 12.5% (fresh) from a near by local pool store for $10.99 for 4 gallons. It's generally much over 12.5% as it's filled within 50 miles of the store and shipped in on a regular basis. They claim it's filled with 18%, and I honestly don't doubt that. It would have to be filled...

They have a lot of low noise comparators that can handle mv ranges without problems. The biggest issue would be to make sure the noise is very low. Good power supply filtration would be a must. Still I don't see it as being too difficult. Some better quality components would be desired.

I had another thought. The ORP could go inline with the feed of the LQ. This of course would require constant flow through the LQ. So the solution would be to use the solenoid valve to increase the flow when needed as opposed to turning the LQ on and off. It would be more of a high and low...

I did confirm, well within reason that something is removing the calcium from my water. My CH @ last reading was 360 down from 400 when I started to use the LQ. This could be coincidence, but we've not had any rain to speak of and my water bill is not abnormal. So the calcium is going...

Well I think it can be done for more around 70% of the price of an LQ. I'm slowly finding some ORP sensors in the $70 range. Just trying to find the right one, pipe mountable. One advantage to using the LQ over a peristaltic pump is that at least in my case the LQ is taking a ton of the...

So I've been thinking. It would be really simple to electronically control the output of the LQ with an ORP driven solenoid valve. Well when I say driven I really mean that the ORP would be the deciding factor to open or close the valve. The ORP would be compared against a percision...

Doesn't zeolite attract calcium ?

Ya, I've been in the process of reducing my TA and average Ph to combat this problem. My CH has been falling on it's own. Water changes, exchanges are not enough to account for the calcium drop....so it's going someplace :)

Yes, I meant to say CH not CA. I have to retest it today, but last test done twice showed 370 vs 400. My LQ has a TON of stuff at the bottom, it's about 2 inches worth of dark yellow sludge. When I refill I end up with the lighter yellow and that dark color about 1/4 way up the LQ. It...

Running a TA of 40 and a Ph of 7.8 everything is holding perfectly. Course that will change if I start using it again. Thanks

I second that, I've not had to add any chlorination manually to my pool since I purchased the device. It's kind of like getting advice on buying a car, one person might say a certain model is the worse piece of junk on the market while the vast majority say it's the best. Not everyone is...

' I had crystal forming all over the top float..but not the valve. I attribute this to the fact that my water level is always maxed out. The white stuff floats much higher up then the valve. LOL, did you think somehow the white stuff would just go away with the larger line? The larger...

Well I did have some WS forming, it has since all fallen to the bottom of the tank. Nothing at all floating around anymore. That's with 7 gallons of 12.5%. :scratch: