anyhow, the other plans are doing fine,
here is a another update, i added ocean free red gravel and retried planting tenellus and again failed
as u can see i have a bunch on the right, but they just remain there and turn yellow......
my questions are
1. can i grow tenellus w/o c02 ?
2. if so, do i need better substrate ? like ADA ones??
3. do i need to use fertiliser?
im so sorry and would be thankful if someone can shed some answers esp on how vital fertilisers are!! those liquid powder stuff i see pple keep mentioning.
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