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16-10-2019, 03:17 PM #1
Low KH Levels on Water Test - Should I Interfere
I am an accidental koi keeper as my niece bought a 'goldfish' for my small pond some 20 plus years ago. When he started growing at alarming rate we realised he was a koi and we needed a bigger pond. He is now housed with some goldfish in a 15 by 7 foot pond. His mate died earlier this year - she was about 15. So pond environment seems to be OK.
My problem is that whenever I do water tests the KH level is very low a 2 degrees. I understand that the level should be at least 4.
My tap water shows a KH reading of less than 1 so I think I am making problem worse when I add more water.
If all my other water readings are good should I still add bicarb to bring the KH up?
I will not use the proprietary KH buffers as I lost another koi a few years ago when I added a buffer and so am very nervous about water treatments of any sort.
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JohnS Thanked / Liked this Post
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16-10-2019, 03:53 PM #2
KH levels keep your PH stable so I would add some bicarbonate and keep a close eye on the PH, should 7.5 to 8 for koi
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Kate25 Thanked / Liked this Post
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20-10-2019, 07:54 PM #3
I have the same problem in my 32000 litre pond, rain, filtered tap water due to area etc all have low KH about 1!. You can add bicarbonate of soda and I do, but do not worry too much about getting to the best level for koi, keep an eye on PH, good advice, and add bicarb sparingly and regularly over the year.
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freddyboy Thanked / Liked this Post
Best plants to remove Nitrate
pug has a very impressive veg filter on his pond, have a look at some of his his youtube videos....