yes you cant over dose with bio i used it twice two i even bought the one for 90 gallons and put a lil in my beta tank and the rest in my main next day water was so clear it made me look twice another thing that worked for me is taking an established sponge from the pet store and putting it into your tank have it anc****************d with a rock or something its loaded with bacteria but id recommend trusting the pet place fist dont want to make ur fish sick
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30 Gallon Fresh Water
5freshwater clams
1 SwordTail
1 gourami
5 Danios Zebra
14 Tetra Neons
3 Ghost Shrimp
3 African dwarf Frogs
1 Pleco BushyNose
1 Bamboo Shrimp
1 Debewie Md
1Tetra Bleeding heart
2 Platates
1 red tail shark fish
4 freash water clams
3 Female Betas various colors
7 Assorted live Plants
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3 Gallon Tank
1 CrownTail Beta
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