Daphnia Magna

Don’t waste your money. I am a biology professor and hoped to hatch these Daphnia for my class. I set up an aquarium for them with air pump and everything. Ideal conditions. Not a single egg hatches from EITHER vial. Complete waste of money. Do yourself a favor and order a bag of life, hatched specimens from another seller.

I read the reviews before I bought this product... even though most are bad, I decided to try it anyway. So far I am having a great hatch rate. I just think other people may not be experienced with hatching daphnia. It is best to used aged water with some tannins. After hatching, I am just feeding spirulina powder and fine yeast. After two weeks of hatching half a capsule, my daphnia are having babies! Great fish food for my Scarlet Badis.

no dice. put in a filtered, aerated and cycled aquarium..but none of the two capsules ever hatched. I thought surely I'd done everything right, but I guess more people get bad batches of these than they get viable ones. an unfortunate waste of money.

Started my colony in a clear vase (~16oz pasta jar on the left for size comparison) using aged tap water instead of water from my fish tank so I don’t introduce any unnecessary microorganisms into the daphnia colony. I set it up by a window that gets indirect sunlight. I added: 1. Cuttings of houseplants that I know will root in water to act as natural filtration. 2. 1 small ramshorn snail as clean up crew. 3. Bits of torn catappa leaves to promote growth of infusoria which then provides an additional food source for daphnia. 4. Air stone with water pump for aeration. Adjusted the air stone to medium size bubble at a medium to rapid flow. 5. Added about 1/3 of a capsule of the eggs to start a small but steady colony in this small vase to hopefully prevent colony crash. They hatched after several days. Counted about 12-15 of them (there could be more but too tiny to see). Fed them spirulina powder and garbanzo bean powder mixed with water into a soupy consistency. I feed only 1-2 drops of the mixture every other day using an eye dropper. Before feeding, I changed about 1/4-1/3 of the water (will probably change the water less often once the system has matured a bit more). 2 weeks later, they have multiplied quite a bit. Too many to count. Possibly over a hundred or even more. And I still have all the extra eggs I didn’t use in the fridge for backup in case this one crashed in the future. But let’s hope it doesn’t. Overall I’m very happy with the purchase and would recommend it to anyone who is interested to start their own colony. I’ve thoroughly enjoyed the experience. They are fun to observe! Best of all they double as pet and as fish food 🤭.

Unfortunately, nothing hatched. Not sure what I could have done wrong so I guess...bad batch? I figured after 2 weeks I would see something if there was anything. If I jumped the gun and something happens Ill update. Update: Guess I couldn't see them but after a couple months I now have millions of them. I guess I didnt know exactly what I was looking for... or they were just too small for at least a month. Would be 5star if both caps were able to produce but I guess I got enough out of the 1.

Why did you pick this product vs others?: First off, it is not a capsule as they state on the site; it is more of a vial with a cap. A fair amount of eggs get stuck in it, so basicly you have to dump, then put the capsule in the water to get the rest. Not that that matters, as hatching was a no go. Not one hatched. Complete waste of money. Should have bought live. And to make that worse, you can not even get a refund when it does not work! I will never make this mistake again.

Update: it’s 7 days later (03282023 11:50-ish pm) and the hatch has started. Water temp 60-70, I used pond water and maybe 1” (maybe more) water changes with filtered well water, stirred the first 2 days with a beater (electric), left the light on for a few days and killed off the algae (oops), added less than a cup of rain water with algae in it and switched the light off at night, lots of spraying eggs off the sides, moved out side when it was sunny and warm-ish out. I added a few grains of miracle grow thinking the algae needed a boost but later found out algae is like most all plants that need a day and night cycle to survive. I’ll post a picture once the hatch ends Original posted review: Arrived in the mail box and the Box is really nice and direction are really clear on the back of the box. Contains 2 very full dry vials of dried daphnia bodies. Each body contains 2 eggs (see third picture) I used only a few small sprinkles since there are so many included in each dried vial. I still have one unopened vial and one 95%+ full. One vial would be enough to supply an entire pond (earth/natural pond) maybe even more. I’m starting a batch in a 2 liter soda bottle with the top cut off and filled with pond water. What I used out of the vial Should be plenty to seed my 3,000-5,000 gallon (estimated size) backyard pond. Batch Started 03/24/23 12am. I will update pictures as they hatch and fill the container. With good hatch rate this item should be enough to seed my pond after winter for a few years without having to farm seeds (eggs) myself. Thank you!

Add my name to the list of people who had zero luck getting anything except two worms to hatch from these eggs. No luck in a tank that once had a thriving population of daphnia in it (fed them all to my fish and wanted to reestablish a colony with the eggs). Also tried two other setups. Nothing. Monitored water conditions weekly (Master Kit). Tried different temperatures, aeration and no aeration, lighting and no lighting. Basically all I can do is feed the eggs to the fish and go back to buying live daphnia locally.

Hab diese wasserfloh Eier gekauft in der Hoffnung dadurch meine fische immer wieder mit Lebendfutter versorgen zu können. Leider wurde ich stark enttäuscht.schlupfrate ist sehr niedrig. Sowohl drinnen in einem seperaten Aquarium als auch im Garten in einer Regentonne. Da sind im Garten in den anderen Tonnen mehr wild gekommen als bei den Eiern. Und den Preis finde ich zu hoch Kann es nicht empfehlen zu kaufen

They didn't hatch for me :( disappointed because my axoloti laid tons of eggs & 51 hatched so I needed food fast. I dried them out & tried again but still no luck

Not a single hatchling under highly controlled lab conditions.

I have them in a small batch in an old 4 cup plastic tub on a shelf in my back porch south facing window. Started with 1 tube and that seems to work for me. I add dead leaves from the garden and the house plants that they love to eat until clear. They live around a aquarium rock covered in black algae. To give them air I just use a spray bottle full of clean water to make waves and rain. To feed my guppies I scoop out as much as I can and just dump them in. I have had no issues with small batching this way. Occasionally I will add more eggs for gene diversity.

Good hatch rate. I didn’t do anything fancy, just some tank water with some crushed up cappa leaves. About day 5 I noticed them hatching. I kept the jar near a window with indirect light. I did buy the green powder (same brand) and I put a little bit of that in the jar for feeding every couple days once hatched. I did find it was good to put the crushed leaves in first, and then I dumped the eggs in the centre, that way I didn’t have a huge issue of them sticking to the edge of the jar and getting out of the water. Change the water by 20% every couple days and it’s worked out well so far.