Hot Tub Forum

Original => Hot Tub Forum => Topic started by: Styx555 on November 02, 2006, 01:48:54 pm

Title: Basic, basic water chemistry help?
Post by: Styx555 on November 02, 2006, 01:48:54 pm
Just got my Optima delivered and after doing much research on this site, I'm still not sure what needs to be done from a water chemistry point of view. Is there a specific thread or article that can help?

I do not have an ozone system and use the tub 3-4 times a week. Also, live in Canada in a cold climate.

Any help would be great.

thanks
Title: Re: Basic, basic water chemistry help?
Post by: windsurfdog on November 02, 2006, 01:57:31 pm
Check here: Doc's FAQs (http://www.rhtubs.com/bbs/FAQ.htm)
Look for Northman's and Vermonter's faqs...both are excellent if you are considering a dichlor routine. 8-)
Title: Re: Basic, basic water chemistry help?
Post by: drewstar on November 02, 2006, 01:58:42 pm
Did the dealer provide any chemicals and/or an oreintation?

That's very strange.  There are several options.  There was no mention of chemicals when you purchased it? Usually the dealers are quick to mention it, as it represents a valuable revenue stream for them.
Title: Re: Basic, basic water chemistry help?
Post by: Skellman on November 02, 2006, 02:31:49 pm
[as it represents a valuable revenue stream for them.[/quote]

Not only that, it's also a good aftermarket sales tool. :D ;D

Seriously, I'd be surprised if they didn't include their recommended chemical start-up kit with the tub purchase for you.
Title: Re: Basic, basic water chemistry help?
Post by: pg_rider on November 02, 2006, 02:56:19 pm
First, let's see pics of your Optima!

Now, do you have well water or "city" water?  If city, you should already be in pretty good shape.  You should check and adjust the alkalinity, then the pH, then the calcium hardness.  Once those are in range you should be good to go.  Soak away, and when you're done add ~1 teaspoon of dichlor. Once a week do an MPS shock (or a high-dose dichlor shock).

If you prefer to use bromine then ask someone else! :D
Title: Re: Basic, basic water chemistry help?
Post by: Styx555 on November 03, 2006, 08:55:53 am
pictures will be up soon. I'm usually in the tub and have no time to take pictures from outside of the tub!!!

Dealer did send a premium chemical start up package and has offered a chemical orientation. However, i wanted to get the opinions on the board before taking the dealers opinion.

I am on city water. When you say shock once a week, how much dichlor would you use in an Optima? Also, I know when shocking you should leave the cover off for 20 mins. Is this also necessary when adding the 1 teaspoon after every soak?
Title: Re: Basic, basic water chemistry help?
Post by: drewstar on November 03, 2006, 09:24:49 am
The correct  dosage for you tub is based on the amount of gallons and on the back of the bottle of shock, or chlorine, depending on what you are using there should be a chart, or amounts per gallon.
 

Your optima is a big tub; 480 gallons I know that for the MPS  I use, the dosage is  2oz per 250 gallons.  So for you. just about 4 oz.   IF you will be using Dichlor to shock,   I believe the dosage is 1 oz per 500 gallons. Please read the back of the bottle on your specific brand for the actual dosage.

Yes, Have the cover open while shocking.  I leave it off for 45 minutes.

Leavig the cover open for the post soak, dichlor dose is questionable,: some do, some don't.    In the cold weather I don't.  I toss the dichlor in, run the pumps on full using a pre programed 10 minute clean  cycle and close the cover.

I noticed you mentioned that you are using dichlor afer each soak, have you tested the water ten minutes after adding it to ensure you reaching the proper levels?

 :) :)
Title: Re: Basic, basic water chemistry help?
Post by: George on November 03, 2006, 05:37:08 pm
I would not recommend shocking with dichlor, since it takes so long for the Clorine levels to come back down to a usuable level after shocking.  I would shock with MPS weekly.
Title: Re: Basic, basic water chemistry help?
Post by: Styx555 on November 24, 2006, 10:19:43 am
To clarify the differences between the two methodes:

Using the Vermonter method, the only chemical I would use would be dichlor? This would take care of everything, no need for any other chemicals?

Using the Northman method, I would be using many chemicals to maintain the tub?

When visiting my dealer, I was given a whole bucket of spa chemicals (ph reducer, ph increaser, chlorine increase, chlorine reducer, etc). Do I really need all this? I am running on city tap water and have yet to have any major problems with water chemistry.
Title: Re: Basic, basic water chemistry help?
Post by: tileman on November 24, 2006, 10:51:02 am
Quote
To clarify the differences between the two methodes:

Using the Vermonter method, the only chemical I would use would be dichlor? This would take care of everything, no need for any other chemicals?

Using the Northman method, I would be using many chemicals to maintain the tub?

When visiting my dealer, I was given a whole bucket of spa chemicals (ph reducer, ph increaser, chlorine increase, chlorine reducer, etc). Do I really need all this? I am running on city tap water and have yet to have any major problems with water chemistry.

It will be necessary to use ph +/- and alk +/-, no matter what routine you follow.
What are your city tap water levels?
Instead of choosing ONE specific method, use both their info to help decide what things are neccessary to maintain YOUR water. Everybodies water is not going to be the same.
I use a combo of both routines and have enjoyed crystal clear water for going on 4 weeks now. I owe it all to them.
(http://i144.photobucket.com/albums/r165/tileman_photos/IMG_0016.jpg)

Here's what I did.
-during initial fill I added Metal Gone
-after filled I used an alk and ph decreaser do to my high levels out the tap.(8.2 and 160)
-added 1.5 oz of Spa Defender (I do this weekly)
-added dichlor to establish a 3-5ppm
That's it.
After soaking I found that adding 1.5 tsp of dichlor is what it takes for me to have a 1-2 ppm 24 hrs later. Yours will vary. The only way to establish this is trial and error. Once you find your amount, no more testing is neccessary for the post soak dose. Atleast not until your routine and amount of soakers change.
I have shocked w/ MPS 3 of the 4 times. The other time I used Dichlor. I am going to continue this once a month dichlor superchlorination until I notice a change in my water clarity. So far so good.
 My alk has been really steady for me but my ph always seems to want to creep back up to it's tap level. I have added spa down twice now to keep it down. Both times the dose was less than a 1/2 oz. If you keep a close eye on your levels you shouldn't have to add large amounts of chems to your water. I test all levels atleast 3 times a week. Most people will say it's overkill but it gives me peace of mind and ensures me of no surprises.

CHAD
Title: Re: Basic, basic water chemistry help?
Post by: tileman on November 24, 2006, 11:59:06 am
BTW, what water testing method do you use?
Title: Re: Basic, basic water chemistry help?
Post by: MostlyLurkingGal on November 24, 2006, 12:35:18 pm
Tileman, you are so helpful. Thank you very much! :)
Title: Re: Basic, basic water chemistry help?
Post by: tileman on November 24, 2006, 01:07:27 pm
Quote
Tileman, you are so helpful. Thank you very much! :)

Your welcome MLG.
How are things going for you?
Is your ph staying put for you still?
I hope so. :)

Chad
Title: Re: Basic, basic water chemistry help?
Post by: Styx555 on November 24, 2006, 01:18:05 pm
Thanks Chad, extremely helpful! Any advice on what brand of Dichlor and MPS is best?
Title: Re: Basic, basic water chemistry help?
Post by: tileman on November 24, 2006, 01:50:44 pm
Quote
Thanks Chad, extremely helpful! Any advice on what brand of Dichlor and MPS is best?

Your welcome Styx555.
I use  Leisuer Time's dichlor and mps ( that's what my dealer carries and what they put in my start-up kit). I don't think one brand is better than another. The only difference you'll find is the % available  from one to the other.

Chad
Title: Re: Basic, basic water chemistry help?
Post by: MostlyLurkingGal on November 24, 2006, 04:23:59 pm
Thanks for asking Chad....everything is good right now, but my problems begin when I shock. PH is still good for now!
Title: Re: Basic, basic water chemistry help?
Post by: tileman on November 24, 2006, 04:47:21 pm
Quote
Thanks for asking Chad....everything is good right now, but my problems begin when I shock. PH is still good for now!

You're welcome.
How many people use your spa regularly and do you follow the dichlor post soak dose strategy? If it's just 1 or 2 people and you D.P.S.D. I found that shocking with mps is the way to go. With a low number of soakers and daily sanitizing your need for superchlorination decreases. As long as you keep CC down with mps shocks I would limit your dichlor shock to once a month or after many bathers have used the spa.(i.e. you have a party)

Chad
Title: Re: Basic, basic water chemistry help?
Post by: MostlyLurkingGal on November 24, 2006, 06:14:47 pm
Well Chad...sigh...only one soaker in my hot tub.  :'(
I do the 1 tsp. of dichlor after I get out routine.  Is there a way to know when to shock (by some readings) or is it just a do it once a week thing whether it needs it or not?

(http://www.frontiernet.net/~jremenih/hottub_mama.gif)
Title: Re: Basic, basic water chemistry help?
Post by: tileman on November 24, 2006, 08:40:50 pm
Quote
Well Chad...sigh...only one soaker in my hot tub.  :'(
I do the 1 tsp. of dichlor after I get out routine.  Is there a way to know when to shock (by some readings) or is it just a do it once a week thing whether it needs it or not?

(http://www.frontiernet.net/~jremenih/hottub_mama.gif)

That picture is too funny. ;D ;D

The reason for shocking is to oxidize chloraminates, which mps and dichlor both do with adequate amounts. It is also done to get a super sanitation, which only dichlor can do. This is done to eliminate any buggers that your daily dichlor dose can't. You get the best of both world's when using dichlor as a shock, obviously, besides the wait time for FC levels to fall back down to soakable a amount.
The best way to tell you need a shock is by testing for CC(TC-FC=CC). When your CC is greater than .5 it's usually time for a shock. Also when you notice your normal post soak dose doesn't last as long in the water it's a sign that you need a superchlorination.

Chad
Title: Re: Basic, basic water chemistry help?
Post by: anne on November 24, 2006, 09:14:28 pm
I'm also a mostly-solo tub user ( :'() and I do 1 tsp post-use as well-- works great. I shock with MPS about every other week, but even with me in the tub almost daily, I still generally have less than 0.1-0.2 CC at that point. From what I learned here, you really dont have to shock once a week "just because." If the tub does not need it you just add to your TDS over time, so you may be able to just do it every two weeks.
Title: Re: Basic, basic water chemistry help?
Post by: MostlyLurkingGal on November 24, 2006, 09:55:36 pm
Thanks all....I appreciate all the help!
Title: Re: Basic, basic water chemistry help?
Post by: tileman on November 24, 2006, 11:17:46 pm
Quote
I'm also a mostly-solo tub user ( :'() and I do 1 tsp post-use as well-- works great. I shock with MPS about every other week, but even with me in the tub almost daily, I still generally have less than 0.1-0.2 CC at that point. From what I learned here, you really dont have to shock once a week "just because." If the tub does not need it you just add to your TDS over time, so you may be able to just do it every two weeks.

 :-* Two women with nobody to soak with. :-*
I'll book the flight. ;) ;D
Title: Re: Basic, basic water chemistry help?
Post by: MostlyLurkingGal on November 25, 2006, 09:53:17 am
I'll get the Margaritas ready.......... ;D
Title: Re: Basic, basic water chemistry help?
Post by: tileman on November 25, 2006, 09:56:09 am
Quote
I'll get the Margaritas ready.......... ;D

It's nice to see that you have a sense of humor about my post. I don't think Anne cared for it to much.
Title: Re: Basic, basic water chemistry help?
Post by: MostlyLurkingGal on November 25, 2006, 10:01:09 am
You were joking??
Title: Re: Basic, basic water chemistry help?
Post by: anne on November 25, 2006, 01:10:17 pm
No! I was fine with it! I was just teasing you on the other post. "Mi hot tub es su hot tub" :D