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#1
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Cleaned pond starting from fresh
Hi there,
I need some help please, I had a problem with green water, so I tried lots of different things and it resulted in me having to remove all the water, I pumped the original water into a swimming pool, topped it up with some water (put tap safe in) and it now has a water fountain running but no Uv or filter. I have clean the original pod and re filled, it looks great now, how long should I wait before I put the fish back in ? also how long will they be ok in the swimming pool? I have 2 large Koi’s abour 40 cm and lots of gold fish. Thanks for your time. |
#2
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Cleaned pond starting from fresh
Do you know what is in your fresh water? As in do they use chlorine
only or are there non-evaporating chemicals as well? If it is just chlorine, you need only circulate long enough to get rid of it. A couple of days would be more than ample if you have good circulation. If you have other stuff, you will need chemicals to get rid of them. Others will have advise you there...here in MS we only have chlorine. We top up with a toilet valve, so the amount is small enough that we can just ignore it. When you reintroduce your fish, be sure to let them adjust to the new water for temp and composition. You will want to mix waters so they don't have a shock going into your new water. There have been posts on that subject and I suspect some others will be able to advise you there. We have used an add 1/4 of the water every 1/2 hour rule and done the mix five times. That takes 3 hours. By adding 1/4 of the volume each time (and having 1/4 run out of the container), you have only about 1/3 of the old water left after 5 times (100,80,64,51,40,32). Then we net the fish and put them in the pond. The temps are the same and the netting means essentially none of the water they have been in goes to the pond. On the subject of green water: It comes from nutrients in the water that the algae are using. It is likely to return if yu don't have a good system to remove the nutrients. It tends to come at the start of the year before the plants get going. Algae cannot compete with vascular plants, so it fades once they are under way...if there are enough of them. Lots of people use a UV filter for the green times. Our pond went green annually for perhaps five years. We used a UV until the plants took off. The last several, it has not had green times at all. Strong plant growth. We do get string algae that begin to 'rot' once the plants get going. Our koi view string algae as a treat, so it is never in the main pond. It grows in the veggie filter and the water falls. Jim |
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