Hello, I am in the process of restarting my 50 gallon planted aquarium. I purchased 2 9 liter bags of aqua soil and some sand for the non-planted area. I know some people use power sand under the aqua soil but it is very expensive and I was hoping to use an inert lava rock in pantyhose...

So I don't have access to the Walstad book sadly, but I've heard/read/watch videos about it and want to set up a 55 gallon as a Walstad tank (heavily planted, no co2, .. simplistic) I have no clue what to do for a filter though. A lot of people talk about using a power head (with possible...

Does anybody know a cheap place to find one? I have also seen some DIY versions...anybody know about how much these cost to make? Thanks