twinstar nano with high tds

RisingSun

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18 May 2015
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Anyone use the twinstar nano with TDS 400ppm+? My tds is ~350ppm and I tried using the chihiros doctor, but it turns itself off after 1 run. Was wondering if the twinstar was more accommodating of high tds?
 

Siege

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11 Aug 2017
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Yes, using it in our very hard water with ferts added also.

works fine but it does seem to shorten the reactors plate lifespan to about a year.
 

Siege

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Thank you for your kind words.

Unsure as we donot test. The last time we did they differed from 288 - 400. The average was about 350 though I recall.

I know it is +/-300 out of the tap.

it is true you may get better results with RO water but it is hard work for most people to keep up the water changes needed when using RO water. So we try to keep it simple for people to replicate!
 

Zeus.

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Not sure what gen my chihiros is it had it over two years.
I have a twinstar nano as well on a different tank

Both work fine what ever the TDS is. It is over 500ppm today, Had the TDS over 1000ppm when I had been on holiday for a couple of weeks and still worked

with a high TDS it scales up quicker so needs descaling quite often, tends to go though reactors quite quick, mine dont last a year 3-6months
 

Sammy Islam

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12 Mar 2019
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Hertfordshire
If the control unit turns itself completely off then it may be faulty. I have just set up the chihiros doctor on my new tank and it seems to operate at 15-20sec bursts every 5min or so. I definitely have a high tds (300+) from the tap + EI dosing on top.
 

RisingSun

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18 May 2015
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If the control unit turns itself completely off then it may be faulty. I have just set up the chihiros doctor on my new tank and it seems to operate at 15-20sec bursts every 5min or so. I definitely have a high tds (300+) from the tap + EI dosing on top.
Yeah it turns completely off after 1 run like the video in this amazon review: https://www.amazon.com/gp/customer-reviews/R3E1E1GGH717XH?ref=va_cr_lb

It actually did run fine for 2 days, but then started exhibiting the behavior. Figured maybe my TDS crept above its limit. Did a water change and it started working again. Then stopped working after 2 days.
 

Ed Wiser

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22 Apr 2018
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Louisville,Kentucky
I found that TDS effects the operation of the device. I keep the TDS at 200.
Then it will come on once at hour. As you creep up in tds it comes on less.
 

RisingSun

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18 May 2015
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Closing the loop on this for posterity - got the twinstar nano and it does indeed run continuously at TDS levels where the chihiros doctor 3 turns itself off (350ppm+). Also, I tried the chihiros reactor with the twinstar and it works too.
 
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