The Great Nature2 Debate

**CarlD** · 06-26-2010 02:06 PM

I stand corrected! And thank you! So...using the cart for 2 years means...what? How are they not running into the problems of not having the copper/silver killing algae the second season?

You got me backwards on the other post.

I said it's easier to convert biguanide to chlorine than bromine, meaning bromine is MUCH harder to convert to chlorine than biguanide, not from biguanide to bromine (who would do that????)

I KNEW there was a reason bromine worked better in hot tubs--I thought it was the bather load and the fact the few hot tubs are run in the sunshine.

**britinusa** · 06-26-2010 02:40 PM

My test Numbers:
FC 1ppm
PH 7.5
TA 130
CYA 40

My pool is only open for the summer I close it in September and re-open in June.
This year I started with the cartridge that I put in last august and that will most likely last till this august.
So i replace them every 5 months of use.
It works for me as Im using less chlorine than i hear some people using.
Their website says that nothing effects the life of the cartridge, so I cant see an issue with removing it at the end of the season and re-using it in the the spring.

Above ground pool 6600 gallons
Hayward super pump
Hayward EC50 DE filter

**sturev** · 06-26-2010 03:03 PM

Britinusa, how can you 'tell' that the cartridge from last season is 'working'? When I got my pool it came with a Nature2 system and I could never figure out if it was working or not... There was no 'test' that came with it to tell me what it was doing or not doing, so after a few months I just took it out and haven't bought any replacements (don't intend to either, after I found this place and learned that it was putting metals into my pool!

). I didn't have any problems with it (staining, green hair, etc), I just can't see how it could be a good thing to load up the water with copper and silver...

**sturev** · 06-26-2010 04:26 PM

Never been in the China Shop before...

**PoolDoc** · 06-26-2010 04:50 PM

I'm going to wait till I've found the current Nature2 sanitizer data, before I post.

I've figured out why -- I'm pretty sure -- BritinUSA is getting good results, but I'll save that for now.

I want to say clearly, I believe he is entirely sincere in making the claims he has. I just think there's a better explanation for his results, than Nature2

Meanwhile . . . ya'll be nice!

Ben
"PoolDoc"

**waterbear** · 06-26-2010 05:53 PM

Originally Posted by britinusa

My test Numbers:
FC 1ppm
PH 7.5
TA 130
CYA 40

My pool is only open for the summer I close it in September and re-open in June.
This year I started with the cartridge that I put in last august and that will most likely last till this august.
So i replace them every 5 months of use.
It works for me as Im using less chlorine than i hear some people using.
Their website says that nothing effects the life of the cartridge, so I cant see an issue with removing it at the end of the season and re-using it in the the spring.

Above ground pool 6600 gallons
Hayward super pump
Hayward EC50 DE filter

According to the newest info on the Zodiac website the cartridge should be replaced every 6 months or 1 season, whichever is shorter. (which is what the cart instructions have said for the past several years) It says nothing about keeping a cart stored to use the next season.
http://www.nature2.com/files/TL2800_...ers_Manual.pdf

The 'spring cart' you use for startup is actually a lanthanum based phospahte remover in cart form. The price is a bit high for a phosphate remover since 2 liters of Natural Chemistry's PHOSfree is available for about $20-$25 and will treat between 20 and 40k gallons of water. House brand lanthanum phosphate removers are usually even less expensive.
Then again, there is no real need for phosphate removers if the chlorine is kept at proper levels, and the proper use of chlorine is much less expensive than using phosphate removers.

**CarlD** · 06-26-2010 07:03 PM

Now I'm on pins and needles for Ben's explanation!

I do worry that BritinUSA is taking a risk with an FC of 1 and a CYA of 40. But I'm not a chemist or biologist so maybe I'm missing something.

BritinUSA--with that FC of 1 do you also have a CC of 0?

I like to think I'm open-minded so if there's an explanation that explains this experience I really want to know it so we can help others duplicate it.

**PoolDoc** · 06-26-2010 08:21 PM

It's probably going to be Monday.

I've got to read thru Richard's replies, think about them, read thru some stuff online and so on.

Ben

**PoolDoc** · 06-26-2010 09:16 PM

**PoolDoc** · 06-26-2010 09:32 PM

More ducks . . .

Zodiac Pool Systems EPA registrations from http://ppis.ceris.purdue.edu/ :

Interestingly, there does not appear to be an active sanitizer registration for Zodiac involving monopersulfate.

Firm Number: 67712
ZODIAC POOL SYSTEMS, INC.
6000 CONDOR DRIVE
MOORPARK CA 93021
805/529-2000

Number of Selected Products: 3

NATURE2 G45-VC40
Registration Number: 67712-1
Status: Active
Approval Date: 11-21-02
Product Manager: Marshall Swindell (703)308-6341
Percent Active Ingredient
8.2300 Copper sulfate pentahydrate (24401)
3.5100 Silver (72501)

NATURE2 AG
Registration Number: 67712-5
Status: Active
Approval Date: 11-21-02
Product Manager: Marshall Swindell (703)308-6341
Percent Active Ingredient
9.4300 Copper sulfate pentahydrate (24401)
2.3300 Silver (72501)

NATURE2 SPA
Registration Number: 67712-15
Status: Active
Approval Date: 02-16-06
Product Manager: Marshall Swindell (703)308-6341
Percent Active Ingredient
0.9200 Silver (72501)

Thread: The Great Nature2 Debate

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