---
product_id: 284764749
title: "Moina Macrocopa"
brand: "green water farm"
price: "13275₫"
currency: VND
in_stock: null
reviews_count: 9
url: https://www.desertcart.vn/products/284764749-moina-macrocopa
store_origin: VN
region: Vietnam
---

# 100% additive & chemical-free Rapid hatch in 24-72 hrs Sustainable live culture feed Moina Macrocopa

**Brand:** green water farm
**Price:** 13275₫
**Availability:** ❌ Out of Stock

## Summary

> 🐠 Hatch the future of fish food—live, natural, and thriving!

## Quick Answers

- **What is this?** Moina Macrocopa by green water farm
- **How much does it cost?** 13275₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/284764749-moina-macrocopa)

## Best For

- green water farm enthusiasts

## Why This Product

- Trusted green water farm brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Boost Fish Vitality:** Encourages natural swimming for healthier, more active aquatic pets.
- • **Easy Hatch & Culture:** Hatch in under 3 days with simple setup—no aeration needed, just light and warmth.
- • **Versatile Aquatic Diet:** Perfect for bettas, shrimp, crabs, salamanders, and more—one feed fits all.
- • **Pellet Food Alternative:** Ideal for picky eaters who reject pellets, ensuring your fish never miss a meal.
- • **Natural Nutrition Powerhouse:** Rich in nutrients, free from additives, mimics wild diet for higher survival rates.

## Overview

GreenWaterFarm Moina Macrocopa Eggs provide a premium live fish food solution that hatches rapidly (24-72 hours) under optimal conditions. These nutrient-rich, additive-free water fleas promote natural exercise and vitality in aquatic pets, supporting higher survival rates especially for newborn fish. Suitable for a wide range of aquatic animals beyond fish, this sustainable live feed is an excellent alternative to pellet foods, ensuring your aquatic ecosystem thrives with natural nutrition.

## Description

desertcart.com: GreenWaterFarm Moina Macrocopa Eggs (Water Flea) Live Fish Food for Hatching and Culture Suitable for Feed Betta Fish : Pet Supplies

Review: Read This Before You Try! I Got a Successful Hatch in Under 24 Hours - I saw a few reviews saying these eggs didn’t hatch, but I can confirm: they absolutely do hatch if you follow the right setup. I had Moina swimming around in less than 24 hours! Please read this before you try—it will save you frustration and wasted eggs: 1. Use clean, dechlorinated tap water. Avoid pure RO or distilled water—they lack essential minerals. Tap water is perfect unless your water is from a well or has very high pH. If your water is too alkaline (above ~8.5), you may have trouble hatching. 2. Water depth: Keep water at about 3–4 inches deep. Shallow water improves light penetration and oxygen exchange. 3. Light is critical: Place the container near a window with good indirect sunlight, or use a daylight-spectrum bulb (white light) about 3–4 inches above the container. Aim for 12–16 hours of light daily. I used an old aquarium white LED light. Yellow light is not as good. 4. Temperature: Around 75–85°F works best. Room temperature worked well for me. 5. Let the eggs float: Floating is normal and helpful! Don’t try to sink them. The eggs hatch best near the surface with light and warmth. 6. No aeration needed: I didn’t use any air pump or aeration, and they still hatched fine. Aeration might help, but it’s optional. 7. Don’t overdo the eggs! I used an entire capsule because of some other reviews, and it was way too much. I wish I had not done that. Half of one capsule is plenty to start a good culture. 8. Be patient: Hatch time is usually 24–72 hours, but I saw mine start moving in under 24! 9. Feed once they hatch: Use chlorella powder or pure spirulina powder, dissolved in water. Start with a very small amount—just enough to lightly cloud the water. Don’t overfeed! I’m really happy with the results. If you follow these steps, you should get a great hatch too. Don’t let the negative reviews discourage you!
Review: UPDATE: 2 Weeks and Nothing Hatched -- Day 11 and nothing has hatched - It's day 11 and nothing has hatched, at all. I used the capsules between 4 containers. I wanted to experiment and see which hatched out best. 2 Reverse Osmosis and 2 tap water (well water with a whole home filter system and treated with tap water conditioner). 1 R/O and 1 tap were under a heat light (water temp 82°F) and the other 2 were room temperature (72-75°F). All containers are under a grow light (with my plants). NOTHING, absolutely NOTHING has hatched. When day 14 rolls around without anything hatching, I'm packing up the empty capsules and sending them back for a refund. UPDATE: It is now day 14 and NOTHING has hatched. I just noticed that this item isn't returnable. So, I'm out $15 (taxes included). I just sent an email to Green Water Farm and I'll update if they reply. UPDATE: 03/02/2023 They finally started hatching about 2 weeks ago, so it took about 4 weeks to hatch. Not everything, but enough to start a culture if they survive. The ones that hatched were in a small bowl with R/O water at room temperature around 72°F (no heat light). I took advice from an old forum thread from someone who cultures them on a large scale and have been feeding them Sweet Potato baby food. About 1 tablespoon into a bottle of water (a regular sized drinking water bottle) and shake it up. I put about a tablespoon of that mix into the culture every day. They actually swarm to it. I also dump it into my daphnia cultures and they're populations are booming. I mix new food every day, and toss the baby food after a few days. I also top off the bowl with water from one of my Daphnia cultures. Every few days, I carefully siphon out 1/4 water with a turkey baster and scrutinize it for baby Moina and replace the water with fresh R/O water. It'll take a hour to do, lol. Once the babies get a little bigger, I'll transfer them into a larger container with an air pump--no stone--just air line with a regulator turned down to a couple of bubbles per second. I also would like to thank Sprite from Green Water Farms. I reached out to tell them that nothing had hatched and he sent me a new pack of eggs. I'll keep them in the fridge until I need to hatch them.

## Features

- Help Fish Exercise - If your fish are slow or rarely swim, this living food will help them get exercise by swimming for food, thus, giving more motility and better health for the fish
- Suit for any Aquatic Pets - Not only fishes, but other amphibians and aquatic animals like shellfish, shrimp, crab, and salamander can also be fed by living crustacean
- Alternative for Pellet Food - In case your fish don’t eat pellet fish food, the living food is a good choice that can provide them a comparably sufficient level of nutrition
- Increase Fish Survival Rate - Living crustacean, as fish food, is additive-free, chemical-free, and rich in nutrients, which is similar to natural food; You can feed it to newborn fish to gain a higher survival rate

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08X4Z3VDR |
| ASIN  | B08X4Z3VDR |
| Age Range Description | N+ Days |
| Best Sellers Rank | #52,037 in Pet Supplies ( See Top 100 in Pet Supplies ) #479 in Aquarium Fish Food |
| Brand Name | GREEN WATER FARM |
| Breed Recommendation | Small Breeds |
| Customer Reviews | 3.7 3.7 out of 5 stars (756) |
| Date First Available | March 23, 2021 |
| Date First Available  | March 23, 2021 |
| Directions | Feed 2-3 eggs per fish, once a day. For best results, maintain temperature between 68-77°F (20-25°C) and keep the moist but not submerged in water. Avoid freezing temperatures. |
| Item Package Dimensions L x W x H | 3.62 x 2.68 x 0.63 inches |
| Item Weight | 0.14 Grams |
| Manufacturer | GREEN WATER FARM |
| Manufacturer  | GREEN WATER FARM |
| Number of Items | 2 |
| Size | 1 Count (Pack of 2) |
| Specific Uses for Product | Nutrition |
| Target Audience Keyword | fish |

## Product Details

- **Age Range (Description):** N+ Days
- **Brand:** GREEN WATER FARM
- **Flavor:** Seafood
- **Item Form:** Eggs
- **Specific Uses For Product:** Nutrition

## Images

![Moina Macrocopa - Image 1](https://m.media-amazon.com/images/I/71z-VLfwE9L.jpg)
![Moina Macrocopa - Image 2](https://m.media-amazon.com/images/I/71JTJrImiGL.jpg)
![Moina Macrocopa - Image 3](https://m.media-amazon.com/images/I/71hcoOJU-nL.jpg)
![Moina Macrocopa - Image 4](https://m.media-amazon.com/images/I/61VG6vPbJgL.jpg)
![Moina Macrocopa - Image 5](https://m.media-amazon.com/images/I/61WqDM5zk5L.jpg)

## Questions & Answers

**Q: What are the dimensions of a single capsule?**
A: I usually use capsule size 1

**Q: Will this work in a pond to keep algae down ? With ftogs**
A: Yes, it can keep  green algae down

**Q: are they supposed to hatch and then the fish eats them? I have a baby betta fish and want to make sure I am doing it right since I am a new fish owner**
A: Hello

Yes, you are correct.
I would like to suggest you order fairy shrimp eggs instead of Moina because it's small than Moina. So it's suitable for baby betta than Moina

However, Fairy shrimp eggs out of stock on FBA now.
it's will available on FBA in 10 days.

If you don't want to wait you can order on my website also.
It will be shipped from the warehouse in San Carlos, CA by priority mail USPS, which takes 3-8 business days 

Regard,
Sprite

**Q: It's been 6 days and they are still just little floating white dots on top of frog tank. Any suggestions?**
A: It took a good 7 days for my colony to hatch make sure your temperature is safe for your tanks inhabitants and within range on packaging if unable to safely do this due to tank inhabitants use separate tank eggs are heat sensitive and to cold my not induce hatching

## Customer Reviews

### ⭐⭐⭐⭐⭐ Read This Before You Try! I Got a Successful Hatch in Under 24 Hours
*by A***D on April 4, 2025*

I saw a few reviews saying these eggs didn’t hatch, but I can confirm: they absolutely do hatch if you follow the right setup. I had Moina swimming around in less than 24 hours! Please read this before you try—it will save you frustration and wasted eggs: 1. Use clean, dechlorinated tap water. Avoid pure RO or distilled water—they lack essential minerals. Tap water is perfect unless your water is from a well or has very high pH. If your water is too alkaline (above ~8.5), you may have trouble hatching. 2. Water depth: Keep water at about 3–4 inches deep. Shallow water improves light penetration and oxygen exchange. 3. Light is critical: Place the container near a window with good indirect sunlight, or use a daylight-spectrum bulb (white light) about 3–4 inches above the container. Aim for 12–16 hours of light daily. I used an old aquarium white LED light. Yellow light is not as good. 4. Temperature: Around 75–85°F works best. Room temperature worked well for me. 5. Let the eggs float: Floating is normal and helpful! Don’t try to sink them. The eggs hatch best near the surface with light and warmth. 6. No aeration needed: I didn’t use any air pump or aeration, and they still hatched fine. Aeration might help, but it’s optional. 7. Don’t overdo the eggs! I used an entire capsule because of some other reviews, and it was way too much. I wish I had not done that. Half of one capsule is plenty to start a good culture. 8. Be patient: Hatch time is usually 24–72 hours, but I saw mine start moving in under 24! 9. Feed once they hatch: Use chlorella powder or pure spirulina powder, dissolved in water. Start with a very small amount—just enough to lightly cloud the water. Don’t overfeed! I’m really happy with the results. If you follow these steps, you should get a great hatch too. Don’t let the negative reviews discourage you!

### ⭐ UPDATE: 2 Weeks and Nothing Hatched -- Day 11 and nothing has hatched
*by H***. on February 2, 2023*

It's day 11 and nothing has hatched, at all. I used the capsules between 4 containers. I wanted to experiment and see which hatched out best. 2 Reverse Osmosis and 2 tap water (well water with a whole home filter system and treated with tap water conditioner). 1 R/O and 1 tap were under a heat light (water temp 82°F) and the other 2 were room temperature (72-75°F). All containers are under a grow light (with my plants). NOTHING, absolutely NOTHING has hatched. When day 14 rolls around without anything hatching, I'm packing up the empty capsules and sending them back for a refund. UPDATE: It is now day 14 and NOTHING has hatched. I just noticed that this item isn't returnable. So, I'm out $15 (taxes included). I just sent an email to Green Water Farm and I'll update if they reply. UPDATE: 03/02/2023 They finally started hatching about 2 weeks ago, so it took about 4 weeks to hatch. Not everything, but enough to start a culture if they survive. The ones that hatched were in a small bowl with R/O water at room temperature around 72°F (no heat light). I took advice from an old forum thread from someone who cultures them on a large scale and have been feeding them Sweet Potato baby food. About 1 tablespoon into a bottle of water (a regular sized drinking water bottle) and shake it up. I put about a tablespoon of that mix into the culture every day. They actually swarm to it. I also dump it into my daphnia cultures and they're populations are booming. I mix new food every day, and toss the baby food after a few days. I also top off the bowl with water from one of my Daphnia cultures. Every few days, I carefully siphon out 1/4 water with a turkey baster and scrutinize it for baby Moina and replace the water with fresh R/O water. It'll take a hour to do, lol. Once the babies get a little bigger, I'll transfer them into a larger container with an air pump--no stone--just air line with a regulator turned down to a couple of bubbles per second. I also would like to thank Sprite from Green Water Farms. I reached out to tell them that nothing had hatched and he sent me a new pack of eggs. I'll keep them in the fridge until I need to hatch them.

### ⭐⭐⭐⭐⭐ These actually work. Don't hesitate to buy.
*by J***E on November 17, 2025*

Im actually very impressed. I spent far more than the $15 on live cultures being delivered to the glue with postage and everything. I was having an issue getting my daphnia numbers up so I figured I'd give this a try. After adding the eggs to my currently running culture I was please to see hundreds of hatchling daphnia swimming around. It only takes 3 days. With these out there I will never pay the expense of a living culture. I'll just add these to my tank and go from there. I was skeptical but this came out awesome. Will buy again. If your breeding tropical fish, just add these a few days before your expect to need fry food. Smaller than baby brine shrimp and just what is needed for tiny fry.

## Frequently Bought Together

- GreenWaterFarm Moina Macrocopa Eggs (Water Flea) Live Fish Food for Hatching and Culture Suitable for Feed Betta Fish
- GREEN WATER FARM GreenWaterFarm Daphnia Magna Eggs Live Fish Food for Hatching and Culture Suitable for Feed Betta Fish
- GREEN WATER FARM GreenWaterFarm Rotifers Brachionus calyciflorus Pallas Eggs Live Fish Food for Hatching and Culture Suitable for Feed Betta Fish

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.vn/products/284764749-moina-macrocopa](https://www.desertcart.vn/products/284764749-moina-macrocopa)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-07*