Thread: Salt to find volume

Hi all

After persistent costia and multiple PP treatments I’m salting to 0.6 and going to dose ICC. One good thing is I think Iv eliminated flukes.

While I’m at it, I thought be good to work out my volume accurately, my digital water meter read 13000 litres on initial fill.

My math is terrible and struggling to work out where I’m at. I have added 25kgs over the past 2 days and getting a 0.15 reading. Can anyone help with the equation and where I’m at. I got 16500 litres?!

Cheers
James


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Originally Posted by KiOgon

o.6% = 600 grams per 100 Litres, so 16,500 L requires 99 Kg TOTAL, which matches what you have with 25 Kg giving you 0.15%, so another 3 sacks *almost* add 1 at a time and check - of course.

Brill thanks for confirming mate!

Im now in a pickle on what to trust, my Amazon digital water meter or my cheap Amazon salt meter?! No wonder the PP didn’t touch it or the fluke treatment didn’t work first time.

Going to test the meter with 6g per 1000 litres and double check it’s accuracy.

On a plus I have more volume hopefully


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Originally Posted by KiOgon

BTW I didn't want to salt my whole pond again, after so many partial water changes to get down to normalish, so I used Duncans ICC without adding salt, at about 15c, 5 doses every other day, as instructions and it cleared the Costia no problem.

That’s great to know, thank you. I have another 2 bags so might take it to 0.4-5 as my Ogon is looking very sad but peeking up as the salt goes in and then ICC.

Checked the meter at 6 grams to 1000 litres and it came up 0.56 pretty happy with that


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Originally Posted by KiOgon

Good luck, should be sorted shortly.

Thanks bud. Hope so!


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Originally Posted by Alburglar

I just did exactly this. D-D solutions TDS / salt meter with proper calibration fluid. Still came out gibberish.

Best way to test your meter is get a litre of de-ionised water (a couple of quid from the petrol station). Do a test, and it should read near zero TDS. Then Add 5grams of salt. See if the meter reads it right. I haven't yet found a TDS meter that works accurately, but I've just won a hanna meter on eBay.

Cheers for the tip Al, I actually think my Amazon cheap one is pretty accurate so far from calcs https://amzn.eu/d/0wTq312

Hanna meter on the list moving forward.

How did you get on with ICC in the end did you manage to clear the costia? Third treatment gone in and still some flashing and a very sad looking skinny ogon, looks like he’s sulking more since treating which is annoying. I only got the pond to 0.3 as ran out of salt


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Originally Posted by Alburglar

Can't tell you anything too sensible I'm afraid
I had no sick fish nor any weird behavior. Then one of my two remaining tosai was a floater. I scraped that and found whitespot tomites. I was going on holiday for 10 days the next day. I had 75kg salt in the garage and what should be very near 2660 gallons. I did a TDS reading before adding the salt and in the morning the day after.
The salt maths I used, said I had double the pond volume I that I actually have, so I knew my salt meter / TDS meter was fubar, ordered some calibration fluid and tried to roughly back track by altering the pre salt TDS by the same percentage. The pond went from
3070ppm=
3.07ppt

After calibration pond read
4310ppm
= 4.31ppt
Still seems suspect after 75kg salt!

During calibration, or rather before the meter was calibrated, the 342ppm naci calibration solution come out as 288ppm on the TDS meter.
So difference between 288 and 342, means the meter was under reading by 54ppm.
Initially I thought this was quite a low percentage at this end of the scale, but if we're aiming to accurately measure 6000ppm (0.6%), then its basically gibberish.

I was hoping for something between 0.6% and 0.9% to kill every parasite.
75kg salt should have bought me to around 0.75% I thought.

Fish seemed fine, no loss of appetite so I went on holiday.

Everything was still fine on my return for the majority. The other suspect tosai not present and found to be hiding and looking like a pine cone. But still eating when presented with food!?
Scraped. Full of Costia.
By this time after a some trickle in I had to guess that the salt could be around 0.6. and so in went the ICC.

All the fish (apart from pine cone tosai) are eating like pigs.
Pine cone tosai still eating voraciously, but only if you drop it right on his head.

Last dose yesterday.
Will scrape and see....

eBay Hanna checker won't calibrate, requested a refund....
Nothing's ever easy is it?

Bloody hell your having a right time, so sorry to hear. It’s so frustrating. I hope the poorly fish takes a turn and improves asap.

My equilibrium was fine until I added a new fish back end of last year and all hell has broke lose. I’m not sure I’ll be adding another fish after this nightmare.

My strongest fish yambuki ogon is now stick thin and the gang are still flashing after 4 PP treatments 2 Lernex pro and now 4th ICC. Not sure where it’s all going to end, maybe I have the pond volume totally wrong and under dosing?!

At this rate I’ll have to turn it into a wild life and stick to tench carp and orfe. Feels like trying to keep koi alive rather then koi keeping


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Originally Posted by Alburglar

It usually comes good in the end.
Good luck with it.

Cheers mate, same to you.


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