Need Help With Ro Set-up

I've tried to do a lot of research on this topic but still have gaps of knowledge that I need answered before I can move forward. I recently moved and set up my 30 gallon tank, I also have a 10 gallon tank, both w/ live plants. I found that my water here has pH ~ 8.5 and is extremely hard with KH/GH nearly off the charts. I tried peat in my canister filter and it only changed my pH to 8.0.
I want to raise a variety of critters, mostly RCS and a few schools of smaller community fish. I've raised shrimp before but never in parameters like this so I held off from purchasing. I am DYING to really start my tank up with livestock, I don't want these water parameters to hold back my selection.

So I've come to the conclusion that I need to just use reverse osmosis water.
I know there's a difference between RO/DI and RO, which is better or more suited to my needs?
Can someone suggest a unit that would be good for a 30 gallon tank?
Does anybody have pictures of their system that could help me visualize how best to set it up?
How do people set up these RO systems in their homes?

I feel my most logical discrete option is to set it up into a large trash can with my basement sink, then pump it upstairs to my tank? Not sure exactly how that works but I've seen read posts of people saying they set it up into a trash can and them pump it to the tank itself.

I appreciate any advice or guidance you can give me! I've had tanks for a few years now but this is a subject I do not understand

 

This unit should just fine

 

This unit should just fine

I have a RO Buddie. I got it for $49.50 on Amazon a few months back. I used a diverter on my shower head to attach the source water. The other connector is for a hose to wash my dog.

Diverter:

Adapter for shower head thread to garden hose thread (LFA668) from Home Depot (brass adapter in the pic):

 

Thanks for responding. I saw those on Amazon so its good to know that theyve worked well for others. I'm just confused at how you store it in your bathroom, or how do you get it to your tank? Just carrying bucket or jugs?

 

You just get the RO 3 stage system rather than 4 stage RO/DI?

 

I have the whole set up stored in a 5 gallon bucket. I only need RO for my shrimp tank so I don't use it a lot, only 5 gallon per week but it's been a few months and it's settled to 5 TDS which is pretty impressive since my tap water is 450-500 TDS. I've read that most RO systems should give you 10-30 TDS from 300 TDS tap and DI will bring it down to 0 TDS. If you need DI, go with a separate cartridge as the RO Buddie DI is really bad and only lasts about 10-20 gallons.

I run the treated water hose to another 5 gallon bucket and the waste water into the shower drain. It takes a few hours to make 5g.

The DI cartridge can be from another mfg as they all (well, most) use 1/4" hose. Since you're using it for a fw tank, I would skip the DI. You'll still need to remineralize the water before putting it in your tanks. I've been doing 2 gallon of tap to 3 gallon of RO water for my shrimp tank so I don't have to mess with remineralizing.