Topa17. I will advise you try again. I had a similar issue in July this year that is my first hatch. I paid this professional 30k (workmanship) to hatch for me. He provided every other material which cost me an extra 40k.he brought 3 females and 2 males each not less than 4kg. Day 2 after spawning everything disappeared, water turned milky. I lost almost 100k. I contracted another pro who introduced local re circulatory system. I told him my past experience. He advised we use a re circulatory system I said ok as long as it works. Construction alone gulped almost 150k, 50k labour, 8 brood stocks of 4kg each @ 2000. (Y 8? 3 of d males don't hav sperm sac and the biggest died before daybreak). I spent about 220k yet they lasted only day 2 after spawning. I was so angry I told the guy to return my money. Did I see ten kobo?
He blamed it on water cos every other material thing was in place.

I nearly gave up on hatching. My wife encouraged me try again this time on my own. I was so scared that I used a male and a female of about 1.5kd each. Guess what ? It came out very well, my wife and I were jumping up and giving testimonies. I did the same thing I saw those pros do! We got about 3000 post fingerlings. And it gets even better since then using the same water undiluted/reguated.
Now it costs me less than 10k to hatch while expecting a minimum of 6000 fingerlings.

I will advise you visit a farm or attend another training then try it on your own. No big deal.
I am not again testing your water ph, just that sometimes your ph will be ok yet they die like in my case.

On the contrary, I kinow a farmer that usually overstocks his pond, uses his formulated local feed but hits an average of 2kg within 6months before sale. Where a normal farmer stocks like 1000 pieces, this man would stock between 3 to 4000. How does he do it?........... Simply clean water. He does flow through. His bore hole is on 24/7. Has a standby sound proof gen.

He uses a limited space but produce more. Though this is not advisable to begginers because of d associated risks and cost. But am looking towards that approach. It saves cost in the long run.

What do you guys think??

Space do less or jampack and apply technology?

mozek24: I think lizu didn't mean to disrepect anybody though his introduction was kind of harsh. Dear lizu, kindly publish your different formulae according to ages of f

SECONDED.
Oga lizu, kindly publish your formular according to age of fish.

I think lizu didn't mean to disrepect anybody though his introduction was kind of harsh. Dear lizu, kindly publish your different formulae according to ages of fish. Thanks for your post.

Robonski, be healed in Jesus name.

Catfish is my best fish......... Love it!