Essjay is right about the Zeolite because the goal is a beautiful naturally balanced aquarium (a symbiotic relationship between fish plants water gravel oxygen) - I'm just trying to save those fish and share a quick fix... Zeolite is like duct tape--- helps in a pinch to get you to where you can...
I like the 75% mentioned in previous post ... and came back on here to put a PS to my previous comment. You can purchase little media filter bags for about $.50 to two dollars at the most. You can put in them whatever you would like but I would suggest that you take a handful of your parents...
Nicholas I am glad you have access to your parents tank but what would really help is if you could take from their filter some of their established filter media (a piece of sponge or the used fiber they put inside if it's a box filter) The reason that this would help is that there are growing...
Hi Nicolas sorry for your tank situation. I am an older woman who has catfish for 40+ years I do think if you're starting a brand new tank and you have no other tanks and no access to any used filter media you should next time go for six weeks to fully cycle your tank.
Putting the Koi fish in...