Hi I have a nano cube with the std. 2x36W PC lights i have frogspawn which is doing well interms of growth, I've seen the heads double in the last 10mnths, BUT when i got the LPS the green colour was very strong , but now only the lower heads are green, the upper heads are a beige/green colour although very healthy and growing normally. Could the light be too strong as the top heads are around 15cm below the lights?
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