Can dwarf hairgrass be trimmed without affecting it? I have hairgrass that has some thread algae growing with it. Thought I would cut the hairgrass down to about 1/4" above substrate. Will this hurt the hairgrass?
When I began using flourish excel, and decreased my vho bulbs from four to three, my thread algae began disappearing. I have cut some of my hair grass. Replanted in the substrate and they are shooting upwards.
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