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Aquarium (and Pond) Safety.
Water changes in ponds
25 Aug 2017 19:12 #1
by Mallet
Water changes in ponds was created by Mallet
Just a quick question.
Should you do a water change in a 1000+ltr pond and by how much and how often, is it worth keeping a barrel of rain water on hand or just use the garden Hose and tap water ?
Should you do a water change in a 1000+ltr pond and by how much and how often, is it worth keeping a barrel of rain water on hand or just use the garden Hose and tap water ?
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26 Aug 2017 09:54 - 26 Aug 2017 09:55 #2
by JohnH
I'm not too certain about percentages of water to change in ponds - or how often, maybe more pond-oriented members will comment on this.
All I'll add is that the considered opinion is that the sorts of fish we regularly keep in our ponds (mostly Carp species - or Carp derivatives) seem to do better in harder alkaline conditions so if your tap water is anything like mine this might be the better plan of action.
Having said that, my pond is constantly topped-up (overfilled...) with rain water from the roof of my garden shed and the Koi don't seem to mind - they haven't complained to me, anyway.
Maybe we can get some more informed comments from proper pond people.
John
Location:
N. Tipp
We're just two lost souls swimming in a fish bowl - year after year.
ITFS member.
It's a long way to Tipperary.
Replied by JohnH on topic Water changes in ponds
Just a quick question.
Should you do a water change in a 1000+ltr pond and by how much and how often, is it worth keeping a barrel of rain water on hand or just use the garden Hose and tap water ?
I'm not too certain about percentages of water to change in ponds - or how often, maybe more pond-oriented members will comment on this.
All I'll add is that the considered opinion is that the sorts of fish we regularly keep in our ponds (mostly Carp species - or Carp derivatives) seem to do better in harder alkaline conditions so if your tap water is anything like mine this might be the better plan of action.
Having said that, my pond is constantly topped-up (overfilled...) with rain water from the roof of my garden shed and the Koi don't seem to mind - they haven't complained to me, anyway.
Maybe we can get some more informed comments from proper pond people.
John
Location:
N. Tipp
We're just two lost souls swimming in a fish bowl - year after year.
ITFS member.
It's a long way to Tipperary.
Last edit: 26 Aug 2017 09:55 by JohnH. Reason: spelling
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26 Aug 2017 10:27 #3
by Mallet
Replied by Mallet on topic Water changes in ponds
Thanks John only asking because I noticed my fish were getting a bit sluggish latly, maybe it's just the water temperature dropping
I have 4 goldfish 2 of which are sham unkind nice big long fins they looknow good, not koi though
I have 4 goldfish 2 of which are sham unkind nice big long fins they looknow good, not koi though
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26 Aug 2017 12:50 #4
by robert
Replied by robert on topic Water changes in ponds
Hi , my view on this is that it depends on the variety of fish kept , filtration , feeding and most importantly stocking level. Now my own situation is 1000 gallon pond massively overstocked , filtration is a very big pressure filter and a 4 tier trickle tower , feeding is 4 times per day using a 42% protien pellet food . So according to the book i am doing everthing wrong . Water changes are 50% twice weekly , refill with tap water using sodium thiosulphate crystals as a declorinater . I have crystal clear water and my koi all seem happy ,healthy and feed well
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26 Aug 2017 15:17 #5
by Mallet
Replied by Mallet on topic Water changes in ponds
Whao, thank goodness we don't have water charge, yet (:=))
I only have four 8" gold fish and 25ltr homemade bucket filter and a 2 m gravel street for extra aeration hope to upgrade filter soon water is getting some string algae
I only have four 8" gold fish and 25ltr homemade bucket filter and a 2 m gravel street for extra aeration hope to upgrade filter soon water is getting some string algae
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26 Aug 2017 22:43 #6
by robert
Replied by robert on topic Water changes in ponds
Hi ,upgradeing your filters will not stop string algae , which is in fact blanket weed , luckerly dont seem to get much of it ,but when i do a use a product called BLANC KIT from ebay and it does the trick
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- gunnered72
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27 Aug 2017 08:17 #7
by gunnered72
Replied by gunnered72 on topic Water changes in ponds
Test your NitrAte and Phosphate levels...
NitrAte max 20ppm
Phosphate max 2ppm
Any higher and algae will start getting out of control..
The ONLY way to reduce them is with larger water changes...Be careful if you havent been changing large amounts of water regularly...Dont bump the amount up too suddenly...You will shock the fish....Build it up gradually over a few weeks...
NitrAte max 20ppm
Phosphate max 2ppm
Any higher and algae will start getting out of control..
The ONLY way to reduce them is with larger water changes...Be careful if you havent been changing large amounts of water regularly...Dont bump the amount up too suddenly...You will shock the fish....Build it up gradually over a few weeks...
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