Quote:
Originally Posted by Robby1
Change the lights. Light have come along way since your purchase. Its obvious
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It all depends. If the water is hard then the copper will become coated in line which acts as a barrier. Soft water may absorb the minerals and yes may harm your fish. To be fair get rid and stop flogging a dead horse. If the light are showing corosion then they are fubar, bite the bullet and change them.