some of my plants are getting small brown spots on their leaves and I was wondering what the heck they are and if i can get them off. They are not killing the plant but remain very unattractive. :-?
If you want to see the plant it's on the far corner.
If the plant in question is the one in the back left corner, that is a sword, Echinodorus bleherae. If the brown spots are the two just visible on two of the leaves, that is a nutrient deficiency.
What fertilizers are you using, and how often?
The only fertilizer I am using and have ever used is flourish comprehensive. It is the one in the front right corner tho and all my other plants are doing very well.
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You could always give an extra dose of flourish one time and see if it helps.
Byron, didn't you say you do that from time to time?
The tank with Flourite substrate is noticeably getting brush algae. This is a bit odd, as both Flourite and Eco-complete manufacturers claim this will not occur. As of this week, I am not fertilizing with liquid in this tank.
I am also trying magnesium sulfate (Epsom Salt, which is pure magnesium and sulphur) in two other tanks and this does seem to have had good results in now 3 weeks. Flourish only once in these tanks too. Back in the 1980's, with similar very soft water, I only used Epsom Salt [this was suggested in the plant column in FAMA back then] and had very good plant growth with less light than I now use and no other ferts. One has to be careful not to overdose magnesium, as this causes iron deficiency and other problems.
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