Planted Tank Guru
Join Date: Dec 2017
Location: Elk Grove, California
I tend to stock my tanks on the heavy side so I would say that the bio-load is fine for a 17 gallon ( I am assuming this tank is 24 inches, correct?)
Stocking heavily, however, means that you will need to do weekly water changes of 25% minimum.
Are you doing EI fertilizing? If so, you are probably doing 50% water changes already weekly.
I also prefer getting all my fish at one place and adding fish all at once to minimize cross-contamination. Over the next 5 days after adding, you want to do water changes daily until bio-filter catches up to new bio-load. You can add Prime and Stability ( or other type of bacterial supplement) if choose to, but do not rely on them to control ammonia spike. Water changes are a necessity. The bio-filter matches new bio-load relatively quickly anyways, usually around 92 hours with temperatures above 74 degrees.
The only thing I see to be a problem ( and this is outside the scope of your question) is if you do not have a quarantine/hospital tank. A tank with snails, shrimp, and fish poses issues if your fish get sick. Many of the meds used on fish are toxic to snails and shrimp. You may want to get a 5 gallon tank, heater, air-pump and stone to have handy for hospital tank/quarantine.
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