Question 1

Which replacement filter cartridge do I buy for this filter system? Also, how often does it need changed?

Accepted Answer

Don't buy replacement. Replace filter cartridge resets tank cycle and then kills 🐠.  Set your own media stages.  I recommend bioballs or fluval on bottom,  pillow stuffing,  then ammonia sponge pad on top.  All can be bought from amazon relatively cheap.  Then simply keep your bio media and occasionally rinse them with tank water.  Once every 3-6 months I change my sponge pad. 3-6 months I rinse my stuffing with tank water.  Once a year I replace stuffing.  This has my fish beautiful and happy like little monsters. Be careful where you get advice because sellers are in business to make money and sell more fish when they die

Question 2

Is this tank big enough for a beta, dwarf frog and snail? Def want the beta if the tank is too small one of the others? Have no clue what I am doing!

Accepted Answer

A betta by itself is fine in a 3-gallon. Maybe a snail would be alright, but definitely not the frog because it would produce too much waste for the small tank and the small filter. My tank is home to 1 betta and live plants. I also have a heater because bettas need 80 degrees F water, since they are tropical fish. My 1 betta is very active and always exploring and hiding in the plants.I would google "basic betta care" and "nitrogen cycle" and do a little reading before buying any animals. Remember fish are living beings and will depend on you for your care, so do your best to provide them a good home =)

Question 3

does it come as shown with everything inside?

Accepted Answer

Most fish tanks do not come with gravel , decorations , allowing for obvious taste and requirement differences by the end user. This is not a “sad” thing as someone else noted , this allows you to use your imagination ! That’s what this hobby is all about, no ?

Question 4

Is it made of acrylic? Or plastic?

Accepted Answer

Plastic!!! Mine arrived cracked from the top and across the bottom.  Not too happy with this.

ASIN	B008CA7W7E
Additional Features	Lightweight
Best Sellers Rank	#29,558 in Pet Supplies ( See Top 100 in Pet Supplies ) #33 in Aquariums
Brand	Tetra
Brand Name	Tetra
Color	Clear, Black
Customer Reviews	4.2 out of 5 stars 4,915 Reviews
Included Components	1
Item Dimensions L x W x H	10.31"L x 11.06"W x 17.5"H
Item Shape	Square
Item Type Name	Pet Supplies
Item Weight	2 Kilograms
Manufacturer	Tetra
Manufacturer Part Number	AQ-29095E
Material	Plastic
Material Type	Plastic
Model Number	AQ-29095E
Pet Type	Dog
Product Dimensions	10.31"L x 11.06"W x 17.5"H
Product Style	Cube Aquarium Kit
Set Name	Complete set
Special Feature	Lightweight
Specific Uses For Product	Active
Tank Volume	3 Gallons
Target Species	Fish
UPC	046798290957
Unit Count	1 Count
Vivarium Type	Aquarium
Warranty Description	See Label.

Tetra 3 Gallon Fish Tank, Aquarium Starter Kit with Pedestal Base, LED Light and Filter, For small tropical fish, guppies, goldfish, or betta

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