A Koi and pond fish keepers guide to Chlorine (Dazzle koi)

Anyone who keeps koi and in fact any fish, will encounter Chlorine at some point. It is present in most water supplies and is harmful to fish when they are exposed to it in their living environment. In this video I talk about what Chlorine is, why its in our water, how to avoid it coming in to contact with your fish in the first place but also how to look after your fish should they be accidentally exposed to it.

I'll also show you how to test your water for Chlorine and also how to test for Chloramine, and what exactly Chloramines are and how they differ to Chlorine.

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[richardcoad]

Really informative video, I’m in south west water area and have Chloramine so really good to understand the difference when Chloramine is in your water supply. I wish every fish shop owner had the expertise to explain things like you do Darren. Fantastic

[paulf]

Always a pleasure to watch your video's Darren, you tell things how they should be, very clear and full of quality info that nobody else tells new koi keepers.
Thank you and keep em coming 👌

[laijustlai]

Amazing series of videos. You have managed to explain in detail and rational.
After 5 years of fish keeping, i am really only now, beginning to understand the nitrogen cycle.

[simonduncan]

Ponds looking great
This information is great even for experienced fish keepers and ESPECIALLY for newbies coming into the Koi or fancy game .
👏👏

[samferguson]

Great video I've been looking into ST for a while now and was wondering what sort of mix ratio you use.. so say how many grams per thousand litre of water ..thanks

[JasonDetheridge]

I agree I've never owned a Dechlorenator .I've used several Liquid forms.The best one I've found is the NT LABS Chlor Go That Removes everything that's Harmful to Koi from Tap water.If I was going to buy a Dechlorenator. It would be a Evolution Aqua one or an Oase, the tube ones .

[davesexton]

Well done Darren very well explained and easy to understand, I have a 3 stage, a a big blue and a single declorinator on my system but will for emergency us get some ST thanks, Dave.

[GreyJediCode]

I top up with rain water collected in barrels, never had an issue with this.
Occasionally when we’ve not had enough rain I’ll fill the barrels from the tap and add a small amount of dechlorinator and leave for at least 24hours before using. I’ve never tested the water, so maybe I’ll do this to see if adding chemicals is even necessary. Thanks for the info 👍🏻

[CATANDEYEKOI]

Excellent presentation, as with many of your videos, I know a little yet learn a lot. Keep em coming. Cheers mate

[Srowe]

Another great video. I’ve also never used mechanical methods to remove chlorine and prefer to allow it to gas off naturally.

[sandypollard]

I put new filters in my dechlorinator 2 weeks ago and is already brown 😏, excellent content and well explained again😊😊👍👍

[grahamparker]

Your video was really interesting. I use Stress Coat, which takes out Chlorine and Chloramines. I also use it when the fish are looking a bit stressed, and it seems to calm them down.

[paulholt]

Thanks for the information it is obviously something we need to know l must admit I have never tested for chlorine and if I do a top up I select a mist setting from the hose and trust it is sufficient but test all other parameters

[watchdoglegion]

Absolutely brilliant advice definitely saving and coming back to this video. Thanks for all your advice top man.

[anthonypickford]

Hi Dazzle sorry if I missed it but how much sodium thiosulphate should I add if the need arises as always a very informative video 👍😃

[davidbarlow]

Great video.
I live in the North West and have just been on United Utilities website for my area it shows that there is total residual chlorine of 0.22 and free residual chlorine of 0.12 so will that mean that I have chloramine of 0.1 in my supply. if so would this level of chloramine have a detrimental effect on my koi, it's a 5000 gallon pond and currently I don't have a trickle in trickle out but something that i am considering. The water turnover is very small and is via the drum filter and the weekly K1 filter cleaning only. If the aim is to run our ponds with zero chlorine and chloramine why is Chloramine T supplied as an anti-bacterial and parasite treatment.

[ItsWhatIDo]

Really useful video. Thanks Darren. Back when I started with ponds we didn't have chloramines. All you had to worry about was chlorine which as you say gases off. One thing you didn't mention was dosage rates for the Sodium Thiosulphate. Is there a dosage rate?

[richardpotts]

I love your videos there soo easy to understand. Any chance you can do one about RO water. Why peoples use, how they use, pros and cons. I see them in some other vids but I don’t understand how it’s done just that it makes water softer. Cheers sir

[simongill]

Great video.
So to be clear, if I set a trickle in out, I have no chloramines in the water, I should be ok with the chlorine based on the very slow trickle into the pond?

But of course keeping testing the pond with dpd4.

Would it be prudent to still dose weekly with sodium t and if so what is the sort of dose rate?
Great videos👍👍

[rich]

Great video, what kind of dosages of the sodium should you use? And in tern does the sodium have any harmful effects ie overdosing etc?