Hornwort Vs elodea in absorbing nitrate

[loaches r cool]

Tom answered that in post #2 first sentance, FYI. I'm not sure if there is a point if you ammonia is very high that it may be harmfull to the plants though...

 

[terror]

Tom answered that in post #2 first sentance, FYI. I'm not sure if there is a point if you ammonia is very high that it may be harmfull to the plants though...

thanks. Didn't notice NH4 was ammonia lol
i still try to keep ammonia down thru water changes.