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Plants turning brown??
I've had my 25 gal setup for 4 months now. Gone through the cycle
stages, through the algae blooms, cloudy water and finally water
parameters are stable and OK. The tank has DIY CO2 via eheim
canister, and is dosed regularly with iron and other supplements.
Hygros and watersprite grow like weeds, java moss is greatly spreading
and amazon has more than doubled in size.
Here's the problem though, the older leaves on ALL the plants have
what appears to be a brown coating or maybe they lost their entire
green coloring for the brown. They leaves never went through a yellow
stage just green to brown. It appears as though they are
deteriorating. The new leaves on the other hand, are vibrant green.
Oh, the tank has 2 20W tubes, triton and trichromatic, additionally
their is no glass to and bulbs are 2" above the surface of the water.
Please help, I'm stumped!!