I have been so busy with various things and found little time to post.
The on going construction of the round NFT tubes has progressed and I have now done the water integrity tests.
More on this later
The trout are feeding and growing well. I have noticed a marked difference in size. Some are now twice the size of their tank mates. What to do? I tried using two types of food. Larger floating food to attract the big guys The smaller sinking food for the small ones. This worked to a degree but in the end I decided to add a smaller grading tank.
Just to recap. The tank is a 250L UK cold water tank. A 1400L pump raises the water to a home made Pre-filter. A simple three stage plastic box with a combination of £1 shop plastic brushes and pan scourers. This feeds to a home made bio filter. Bottle tops/rawl plugs and K1. This then flows through a UV light Clarifier. ( This is turned off at the moment) I then diverted 40% of this water through a cheap 80L plastic box. A simple 40mm SLO and it exits into the main tank through a separate pipe. Therefore two pipes splashing into the main FT creating oxygen. The third inlet into this FT is fed from the main system on 15/45. Through a bottom drain detritus is swept out of the bottom drain into a GB.
I moved four of the smaller trout into the grading tank.
The imprint of the old “pecking order” stayed for a while but they are now hitting their food regularly. I feed them the smaller pellets and think that leftovers will be swept, downstream.
Trout are jumpers. Hence the plastic netting.
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| Grading Tank |
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| Crucian Carp |
The other main event was the addition of the new Crucian Carp. Again more later but I did want to share the photo
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