I have collected my yards entire piles of fallen maple, magnolia, and other leaves, saved and used them. Some species may be toxic, so check before use, and I never use pesticides or fungicide in the yard, so not a worry.
After collection, they are boiled and then soaked. The result is concentrated, tea stained water, I mixed with water during water changes.

I also put leaves directly into tanks, for a continuous leaching of tannins, and think it provides a very natural environment. But they do break down over time, creating lots of detritus, that needs to be vacuumed out.


The leaves in the tank also provide a very natural spawning medium for some fish.
Eggs are placed in it, and disappear, and fry find it a great place to hide




After collection, they are boiled and then soaked. The result is concentrated, tea stained water, I mixed with water during water changes.

I also put leaves directly into tanks, for a continuous leaching of tannins, and think it provides a very natural environment. But they do break down over time, creating lots of detritus, that needs to be vacuumed out.


The leaves in the tank also provide a very natural spawning medium for some fish.
Eggs are placed in it, and disappear, and fry find it a great place to hide



