HOSTPLUS is ABT recommendation because has low fees and the best 1,3,5,10 and 20 year returns in Australia currently. Averaging 8.3% PA. (I am not affiliated with Host-plus, I do not benefit from recommending them) For alternatives, please see Choosing-a-super-fund. And note your employers should not dictate you must use a specific Super!

When you set up a fund of your choice and can access your own account you can find the ‘make extra contribution’ section and your unique account details.

I consider Super to be an excellent investment tool compared to anything I saw in the UK for retirement. 

Depending on your circumstances, using all contribution allowances to compound your money can make millions of dollars difference.

Your final Super balance will depend on how much you put in early, how much you continue to contribute and the biggest factor:  TIME