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Thread: Limescale
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post #1 of (permalink) Old 08-05-2020, 04:14 AM Thread Starter
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I've recently noticed some white substance around the rim of my tank after the water evaporates, and also where the spray bar hits the glass. Is this limescale? And if so, how do I have limescale if my water is soft (gH = 7). Could it be the fertilizer I'm dosing (light EI)?

  • 60G low-tech planted acrylic elongated hexagon
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