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It originally was a sodium hypo tub with a CAT 5000 control using a sensor to maintain an ORP set point. I use the set point of that controller in conjunction with a normally closed solenoid valve that wyes off the pressure side of the pump for an off-line bromine feeder when it falls below set...

Hey guys, Looking for some information/opinions on adding an ozonator to a resort hot tub. Let me give you some details first. 1) It is an outdoor hot tub. 2) 3-step Bromine with 12.5% sodium hypo to shock. 3) approx 5,000 gallons 4) Inground, gunite finish. 5) Bather load between 10-40 on...

Excellent, thank you. I've tried to come up with theories based on the PSI. Guess I was over thinking something so simple

Guys, I'm quite curious as to what the difference is in flow through the sand filter on backwash vs rinse. They both send water through the drain and not back into the body of water, right? So really what does the "rinse" cycle even do?

I would like to clear something up before I throw an answer in for ya. The large plug that has the two buttons "reset" and "test" is a LCDI plug. Is that would keeps tripping causing you to lose power? Or are you resetting something else? Oh yes, also a model number for the spa, and equipment...

Re: 'Swim Temp' heat pump STRC2-5 compressor kicks on and of Seems like Bama beat me to it again. :mrgreen:

Re: 'Swim Temp' heat pump STRC2-5 compressor kicks on and of I don't have too much experience with pool heat exchangers that use heat pumps as a method of adding heat. However there are a couple of things that can be looked at. If you have no water flow through the heat exchanger than it's...

That would not work, because you still lack the second hot conductor. You'd need to have a double pole circuit breaker feeding your pump. I'd seek a professional electrician to properly feed this motor.

Bama is correct, the 115v wiring you have uses 1 ungrounded (hot) conductor, 1 grounded (neutral) conductor, and 1 grounding (ground) conductor. Where as 220v is supplied by using 2 ungrounded conductors. When replacing a motor for a pump it is wise to get a match that is as close as possible...

Dang I feared such, but didn't want to toss it just in case. Thanks for the confirmation.

Can anybody help explain where my calcium test is going sour in my hot tub? I'm hoping that I just have too much bromine, but I don't ever recall having an issue with a high range level like this before. Unfortunately I'm not use to dealing with bromine yet. Bromine: 9 pH: 7.7 Alk: 60...

Have you passed the OCLT? pool-school/overnight_fc_test You'll want to make sure the algae is dead. Otherwise you'll have to start over.

Although I'm not really a leak finding expert. I'd suggest double (or triple) checking the drain cap for leaks. Also the air release, pressure gauge and the likes. A steady stream of water could very well be a hairline crack, but I've never experienced one first hand so I can't say for sure...

Sure, MA is MA. BUTTTTTTT if other stuff is in it, I'd watch out. Check the % on it and also shop around for pricing too. Pool stores will carry it.

Agreed. If it truly is 100k gallons depending on where you are planning on keeping the CYA, you'd need between 30-40 lbs of CYA, not 4. Remember CYA can take a while to register on a test. You beat me to my response. Check the Pool Calculator created by Jason to confirm all the doses. Yes...

I don't recall ever reading about "floating" a bottle of MA myself. But if you are interested in the proper way of introducing it into the pool safely, then pour it slowly in front of an inlet and let it mix that way, not through the skimmer and in my preference not in the shallow end.

Can't say that I have ordered it online, but I can tell you there is NO guarantee that it will be "fresh". I buy it in 15 gallon drums from a pool supplier. But only because I use it relatively fast. I never want to have chlorine sitting around.

Awesome, it's always nice to hear first hand how great your pool looks especially when it is maintained by yourself. :goodjob:

Definitely no need for the MA. A filter cleaner or "degreaser" as it is sometimes called may help clean the sand a bit. Just make sure you are using the correct backwash procedure. I've seen filter sand that's been used for 8 years and still filtering just fine. If you are worried that much...

Here's a link regarding this topic. can-you-add-salt-t6006.html I run my pools with added salt without the use of SWG

Almost. http://www.americanleakdetection.com/ They specialize in finding leaks.

Does anybody have any idea as to why my AquaMax robot is not reversing? After submerging it and turning it on, it will move as normal but the moment it climbs a wall it continues to go in the same direction and will sometimes start to float at the surface and needs re-submerging. I've heard...

Why would you want to bring that down?

Oh wow thanks. That's actually good to know, I personally don't even bother to use them.

Do you have R-0006 to do a base test? You can use that to hopefully find out what you'd need to add. And from there you'd subtract. If that makes any sense. Meaning if you have to add 2 and get a nice 7.6 reading you'd know that the "orange" is 7.4 for example. Use the taylor book for...

I can't seem to find the attached image. Perhaps try re-posting? [edit] DE is definitely much finer than this. It does clump together but not necessarily in such a solid form. Have you added any CYA lately?

Not a dummy question at all. I've always looked at it as "everything" consumes chlorine. Sunlight, wind (debris), even putting your "dirty" hand in to capture test sample will eat the smallest amount of chlorine. This may not be worth worrying about because the amount would be miniscule, as...

Thanks I spent my full 8 hour shift shocking/brushing etc. because my boss has crazy expectations as to when it's going to be ready (like 2-3 days, ha). The reason it looks as it does was because this was taken after I skimmed the leaves and bugs, but before I brushed the algae, and I've...

I just wanted to post here about my recent successful (almost actually not all the way) story. I work in the hospitality business and was hired to deal with the 2 pools and hot tub. I've always worked on indoor pools in the past but never had I needed to open an outdoor pool, and when I took...

Actually there is a chance the hardware store will carry it, the Ace down the road does now that I asked them to order it, feel free to ask them if they can order it for you.