Does this product contain any zinc or copper?

I used these for snails. They provide extra calcium. I don't think there were metals at all. You may want to google the product to be sure

If I have a 3-4 gallon tank with a snail and a beta (and a moss ball) is it safe to break off a small piece of the wonder shell and use it?

You won't need to break the shell apart. These shells don't condition that much water. Here is what is printed on the back of the package: "For one-gallon bowls use 2 small shells. For 5-gallon aquarium use one large shell. For 10-20 gallon aquarium use one Super Size shell."

Can I crush these up and get the same effect

Hello, Thank you for asking. Actually Wonder Shells do a lot of different things for an aquarium. One of the things they do is make the water more hard. Now, I don't know what kinds of animals and/or plants you have, but if you smash a Wonder Shell up and add it to your tank all at once, there is a possibility that the water could become Way More Hard than will be healthful for your aquarium inhabitants. So I absolutely do not recommend doing so. They melt very nicely over time and do exactly what they are advertised as doing. Have Patience!! Patience is a virtue, right?

Will it be okay with tropic fish

In a word, "Yes!" In fact you know, most of the fish in the hobby really are relatively tropical. And I put these in every tank. Well, all the best to you!! :-)

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Weco Wonder Shell Natural Minerals (3 Pack), Small

Product ID: 28017619

Details

Brand
Weco Products
Item Form
Tablets
Item Weight
0.02 Kilograms
Liquid Volume
1 Gallons
Unit Count
3.0 Count

🌿100% natural minerals

🐢Calcium boost for shell growth

💧Instant chlorine removal

10116CFA

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Description

🌊 Elevate your aquarium’s vibe with nature’s wonder shell!

PURE NATURAL POWER - Crafted from all-natural ingredients to enrich your aquarium’s ecosystem.
DECOR MEETS FUNCTION - Stylish scallop-shaped design that elevates aquarium aesthetics while boosting water quality.
SHELL GROWTH SUPPORT - Provides essential calcium for vibrant, strong shells in crabs, snails, and turtles.
INSTANT WATER CLARITY - Removes chlorine instantly for crystal-clear, healthy water.
OXYGENATE NEUTRALIZE - Enhances oxygen levels while neutralizing harmful acids for balanced water chemistry.

Weco Wonder Shell Natural Minerals (3 Pack) are decorative, scallop-shaped shells made in the USA from all-natural materials. They instantly remove chlorine, oxygenate and neutralize aquarium water, and provide essential calcium to support healthy shell growth in aquatic pets like crabs, snails, and turtles.

Specifications

ASIN	B003C5PUCS
Best Sellers Rank	#13,185 in Pet Supplies ( See Top 100 in Pet Supplies ) #21 in Aquarium Décor Thematic Ornaments
Brand Name	Weco Products
Customer Reviews	4.5 4.5 out of 5 stars (2,516)
Global Trade Identification Number	00028023810000
Included Components	Weco Wonder Shell Natural Minerals (3 Pack), Small
Item Form	Tablets
Item Type Name	Weco Wonder Shell Natural Minerals (3 Pack), Small
Item Weight	0.02 Kilograms
Liquid Volume	1 Gallons
Manufacturer	PROOK
Manufacturer Part Number	37781000
Model Number	37781000
Pet Type	Fish, Reptile
Target Species	Fish
UPC	028023810000
Unit Count	3.0 Count
Warranty Description	Warranty

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