So I had a 5 gallon running with sponge and heater bare bottom small driftwwod and a lucky feeder rosy planning on and taking him out feeding him to the monsters lol and putting in some ghost shrimp and snails to feed to my fish when i feel like spoiling them. Question is I had some leftover seachem matrix left over like 2 liters and I put it in as substarte doesnt look to bad besides the ones that are floating but what good or bad can come from using bio media as substrate?
