Originally Posted by eatmysox
I will definitly take your suggestions into consideration, for the overstocking i use aqadvisor it is wonderful and is very effective at telling stocking levels. I also am using a filter with 600gph and do weekly 40-50% water changes on all of my tanks so it shouldn't be to much more work. This tank will also end up being heavily planted once all of the plants grow in. I will look into the compatibility of the fish again i thought they were all good at a happy medium of 75-77
If you have other tanks that are Cycled, then you could borrow filter material from one of those tanks and place it in the filter of the thirty gallon and this would allow you to stock four or five small fish such as the tetra's with a week in between new addition of another four or five.
Otherwise your tank will need four to six weeks to cycle.
If your pH is much below 6.5 the tank could take even longer to cycle for the needed bacteria is very slow at developing at pH levels under 7.0
Adjusting the pH with chemicals or powder's is not a good idea unless you have a knowledge of how these chemicals /powders work. Depending on what your p/H and hardness is from the tap or water you will be using for water changes is ,the effects of altering the pH could cause significant shifts in the water chemisrty that will be strressful for the fish perhaps..fatal.
If your water is naturally soft and acidic with no adjustments necessary, then it should suit the fishes you listed.
Agree with others,the temp for German Blue rams to thrive(80 to 84 degrees F) in would not suit the tetra's in the long term.
If it is the Bolivian Ram,, they are a bit more forgiving and would do well with the cooler temps that the tetra's prefer.