Need advice on upgrading from 20 gallon to 75 gallon.
Hi all, I have a heavily planted 20 gallon with about 10 tetras, established 2 years and doing great. I just purchased a 75 gallon and would like to move all my plants and fish, but not substrate. I have a general idea of how to transition slowly, I plan to keep the 20 up and running until the 75 is ready...I would love your thoughts on my plan:
1. Set up 75 with dechlorinated water, Black Diamond Blasting sand substrate, heater, Fluval FX4.
2. Take some filter sponge out of existing filter on 20 gallon, squeeze sponge into 75, then drop sponge in tank.
3. Move existing plants from 20 to 75 gradually....over 1 or 2 weeks.
4. Move fish when tank is cycled. I'm still a bit unsure exactly how to know when the new tank is cycled?? I have the API test kit.
Anything I'm missing?
Thanks in advance!