adding water in the winter - chlorine?


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I've seen a lot of comments that address trickling water in if you need to add it in the winter to keep the temperature from changing to quickly - but when adding water from a hose, how do you prevent chlorine poison? Can you add the water and the dechlorinator at the same time? Can the fish tolerate a short exposure to chlorine, or must it be removed before the water is added to pond?
 
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Generally speaking, a slow trickle of water is not a concern for chlorine. However, your pond is relatively small, so I would always treat with dechlor just to be on the safe side. You can add all the dechlor at once.
 

mrsclem

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Our city water is very high in chlorine, smells like bleach! I use a dry dechlorinator, just put it in next to hose when I start water.
 
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Yep, I distribute it in the turbulence of water being added. You don't need to premix it in buckets.
I have a metering device that screws onto the end of my hose. I use it so I'm not guessing the water to dechlorinizer ratio. I bought it on Amazon and it was very inexpensive.
So for example, as the hose is running, I might throw in enough dechlorinizer to treat 100 gallons. When the water meter shows 100 gallons, I know I'm good. If the pond needs more water, I'll throw in maybe enough dechlorinizer to do 50 gallons. Then watch the meter. Etc...
 
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I use Prime for my water changes (or adding water) I add it right before I start the hose. The amount you use should be enough to treat the entire volume of water in your pond.

My pond is also small, just a bit over 500 gallons. I use 6 capfulls of pond prime which is enough to treat 600 gallons.


These are the directions from Seachem website. Just to verify that total volume should be treated and not just amount of water being added. This is for regular Prime which can be used for a small pond but dosing will be different as it's not as concentrated as the Pond Prime.

Use 1 capful (5 mL) for each 200 L (50 US gallons) of new water. For smaller volumes, please note each cap thread is approximately 1 mL. May be added to aquarium directly, but better if added to new water first. If adding directly to aquarium, base dose on aquarium volume. Sulfur odor is normal. For exceptionally high chloramine concentrations, a double dose may be used safely. To detoxify nitrite in an emergency, up to 5 times normal dose may be used. If temperature is > 30 °C (86 °F) and chlorine or ammonia levels are low, use a half dose.

You can read more here: https://www.seachem.com/prime.php
 

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