So once the eggs are laid and fertilized after 30mins-1hr, take out all adult goldfishes or any fishes that is in the tank.
Then probably around 3-4 hours later, the eggs should stick to anywhere in the tank, plants,bottom tank etc etc. do a drastic 90%-100% water change(Conditioned water) siphon them using a airline tube or water hose slowly. Replace the water level to about 4inches or less, this will assist the fry when hatched to swim up to have their first breathe. After that replacing water level, add methylene blue to the water to a sky blue usually 1-3 drops of methylene (Interpet series), or 7-10 of drops for OCEAN FREE WHITE SPOT SPECIAL<as they are more diluted type)($1). Keep the air bubble bubbling at high.
White Eggs:INFERTILE EGGS (FUNGUS EGGS SIPHON THEM OUT scrub abit with your Siphon Blaster)
Transparent Eggs: Fertilse Eggs Do Not Touch Them and wait for hatch.
Transparent Eggs with a white Dot in it & Ember eggs, do not touch them, they might hatch.
Fry Day 1
Around 48-72hrs for singapore temperature, you should see fries out, you should now start preparing Baby Brine Shrimp Hatchery.
Baby Brine Shrimp Hatchery: Get a Spoonful of Aquarium Salt(i used those take away mixed vegetables rice plastic spoon with A.salt measure it flat, and 1litre of water, dissolve it fully. Put in the hatchery(Go Youtube and search Brine Shrimp Hatchery Guide) how to DIY a hatchery.
Premium Grade BBS will hatched in 14 hours, but best to be at collecting them around 20-24hours. Prepare another hatchery around 12 hours later. (One in the morning, One in the Evening)
Reduce Air Aeration to Low.. Just minor Bubbling see the video Below
Fry Day 2
Around 24 hours you may see few fry free swimming, these are the pioneers of your breeding batch, collect your BBS.(And Start Prepare for tmr's BBS) Feed about 1-2drops of concentrated BBS, this amount is more than enough for the few fry. Do the same 12 hours later with another BBS hatchery.
Day 3
More fries will be out, this time feed around 1ml of BBS concentrated, and distribute evenly by dripping one to 2 drop everywhere. Do the same for 12 hours later. You will continue to feed like this everyday till 1month old of the fries.
You may see your water may be clear already, add methylene to skyblue again to protect the fries.
In simple is, everytime u take freshly hatch bbs, you have to prepare the next batch for tmr. (Probably 4 bottles of Hatchery should be enough). And everytime u hatched your bottle, notice the water is milky, it stains the bottle and makes it less efficient to hatch next batch. So clean your bottle thoroughly before preparing the next batch.
What i do is: Hand rub the bottles with running water, fill the water up with chlorine tap water, and add pure bleach to the bottle, soak them for about 1hr, wash it thoroughly. This should cleans all dirty stains in the bottle, (im using about 6 bottles total)(1 hatching morning 1 Evening)(Two spares)(Two soaking bottle).
Day 5
Using A 500ml Bottle, filled with De-chlorinated water and skyblue with methylene, i siphon the water from the bottle to the tank using a airline tubing. By adding water This will dilute the dirty water. Better for the fries.
Follow this every 2 days. by adding water till 1.5 weeks. (Actually 1 week old you can do a 100% water change already. If you know what to do) *use a fine net like bbs net to net the fries*
Day 10 onwards
100% De-chlorinated Water change, Goldfish fry able to withstand drastic water change.
Add sponge filter with medium aerations.
Continue Feeding BBS till 3 weeks old.(During 2-3weeks Increase BBS feed Either feed more or More frequent like 3-4times a day.. you will see the growth.
Every 3rd Day 100% water change Minimum, or if you have the time, every 2nd day change 50-70 %.
3rd Week onwards,
If possible transfer them to a 1.5-2ft grow out tank. Or use Toyogo plastic Tub for growing out.
feed them with Daphnia aka Boon,(See Betta Blog where to purchase) this will give them grow faster and more fat. You may continue BBS if you want but increase the food quantity. Make them full.
1mth-2mths continue above fry food or purchase Tubifex worms, make sure you know how to clean them. This will make them grow even faster.
*Tubifex worms encourage growth rate faster, and head growth.*
Culling Fries, you may start culling(Killing/Throwing away) little fries 3rd week, that didnt grow correctly, such as single fins or dented fins/backbone, anything you see as deformed.
The first stage of culling remove major faults like handicapped fries, bent bodies, single tail and bent tail core. Most Likely you will have 40-50% left after cull or even less.
By sacrificing, you giving more space for the better ones and more food for them to eat, Better water conditions.
By the end of 2mths, you should be able to keep a 10% of good and beautiful ones.
Grow Out Tank Do Note: 1ft Tank able to take 1 Ranchu(3-4Inches) for well balance grow out,
The Rules of 10 Gallon(2Ft tank) for 2-3 goldfish(abt max 4inches)
You want to make them grow fully? 10-20 Gallon (37-72 Litres) Per Fish thats the best. A normal fancy Goldfish such as Ranchu can grow up to 6 inches.
http://highranchu.blogspot.sg/2014/05/culling-first-round.html
3rd Mth or 4th Mth
this is the most important month, as this will determine your goldfish headgrowth. Feed them nutritious food such as BBS/Boon/Tubifex Worm/Hikari Frozen Blood Worms/Duckweed/Algaes . This will encourage headgrowth.
Note: Try to Stay away from Dried Food/Pellets.
Twice 70-80% Water change weekly, with good filtrations. Depending on tank size
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