Can I add these to my pond in southern ca to help reduce algae growth?

In theory, yes; however, daphnia magna are eaten by fish and other aquatic animals. I would not recommend this because the customer would need to purchase quite a bit of the daphnia magna for this to even be remotely effective, and there is not guarantee that the customer would just be feeding the fish in the pond rather than eliminating the algae problem. Instead of daphna magna I would suggest that the customer purchase some of our aquatic plants, for example, the pond lilies. I would recommend that customer also go to a local plant nursery and inquire about other aquatic plant species that are native to Southern California. A combination of aquatic plants and daphnia magna would be a suitable start to try and get the algal growth under control.

How many generally come in a container?

This item is sold by us for a classroom of 30 students, so the culture should have 30 if not more. Thank you.

Can one start a vibrant colony with a purpose of supply for aquarium fry/fish from this live batch?

I was advised by our technical living department to provide you with the following link for more information: : https://www.carolina.com/teacher-resources/Interactive/living-organism-care-guide-daphnia/tr10492.tr.

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Carolina Daphnia Magna Culture – Large Water Fleas For Aquatic Studies | Ideal For Toxicity Testing & Physiology Research | Includes Mixed Life Stages

Product ID: 281137980

Details

Age Range (Description)
Adult
Brand
Carolina
Item Package Quantity
1
Manufacturer
Carolina
Number of Items
1

🏭Carolina Bio

📏2.3 x 2.3 x 2.8 in

⚖️1.25 lbs

Description

🐟 Dive into the Living Culture of Daphnia Magna!

🔬 SCIENCE MEETS FUN - Perfect for educational projects or hobbyist aquariums.
👥 JOIN THE COMMUNITY - Connect with fellow aquarists and share your Daphnia success stories!
🌍 ECO FRIENDLY CHOICE - Sustainably sourced for a greener planet.
💧 FRESHNESS GUARANTEED - Experience the vitality of live cultures delivered to your door.
🌱 CULTIVATE YOUR ECOSYSTEM - Elevate your aquatic environment with live Daphnia Magna!

Daphnia Magna, Living Culture is a vibrant aquatic organism provided by Carolina Biological Supply Company, designed for both educational and hobbyist purposes. With compact dimensions of 2.3 x 2.3 x 2.8 inches and a weight of 1.25 pounds, this live culture is perfect for enhancing your aquarium or conducting scientific experiments. First available in May 2017, it offers a sustainable and engaging way to explore aquatic ecosystems.

Specifications

ASIN	B071ZF5ZQZ
ASIN	B071ZF5ZQZ
Age Range Description	Adult
Best Sellers Rank	#140,708 in Pet Supplies ( See Top 100 in Pet Supplies ) #587 in Live Aquarium Plants
Brand Name	Carolina Biological Supply Company
Customer Reviews	4.5 4.5 out of 5 stars (240)
Date First Available	May 22, 2017
Dosage Form	Powder
Is Product Expirable	Yes
Manufacturer	Carolina Biological Supply
Manufacturer	Carolina Biological Supply
Manufacturer Part Number	142330
Number of Items	1
Package Quantity	1
UPC	840132608794
Unit Count	1.00 Count

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