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Thread: ph crash
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21-03-2018, 08:18 PM #1
ph crash
Hi guy,s my mate has a problem with his koi dying one by one.just tested the kh and as low as it goes,no wonder there dying.I have a big tub by the side of my pond filled it with my water and put a air pump in,koi seems to be a bit better but still not right. How long will it take to come around?I know it depends on a lot of things,its a ghost koi about 16 ",he has lost 6 fish so far.Will it be ok in a few days etc or has the damage been done.also is it worth adding a bit of salt? if so whats the ratio.thanks mark
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john1 Thanked / Liked this Post
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21-03-2018, 09:23 PM #2
If your kh is zero your ph has crashed,you need to get the ph up to 7 NOW, add some Sodium Bicarb to do this here
Questions Answered
Manky explains how to ,this must be done NOW please to save the koi.John
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Manky Sanke, freddyboy Thanked / Liked this Post
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21-03-2018, 09:54 PM #3
thanks will be done tommorow. the fish is now in MY pond water so be ok now,just wondered if it will have damaged the fish and will it recover quickly or not
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21-03-2018, 10:05 PM #4
What is the pH of your pond water?
After a pH crash it's a major metabolic stress on the fish to move straight into higher pH water. The ideal would be to let the fish recover in water with a pH of 7 initially.
Your mate needs to be aware the crash will probably have killed off his filter bacteria, so a big ammonia spike will likely follow. Are there any living fish left in his pond now?2016 new 6000 gallon pond
https://www.koiforum.uk/pond-construc...ghlight=feline
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freddyboy Thanked / Liked this Post
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21-03-2018, 10:21 PM #5
This is the last one.there is one other but it wont last.my ph water is 7.8 thanks
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21-03-2018, 10:25 PM #6
He said ph was ok.but tomorow will check it my self to get accurate readings is it would changingall the pond water and starting again.or slowly alter the water in the pond now.as theres no fish in now apart from a few goldfish who seem ok
The Daily pond temp thread
Pond still covered, currently 11.6C Been really mild this year as far as pond temps go. ...