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Too much trace element is not good as well which could result to excess alage growth . However it is not possible to test those minor trace elements unless going for a icp test, so like what some mention less is better than more in a reef tank [emoji28] Sent from Singapore Reef Club mobile app

The idea from Full Hedge is good. An alternative is to use soft netting (those green or black type). Secure with rubber band around the wavemaker. The holes are bigger & won't clog or reduce flow significantly. Anemones like a rock with a small recess where they can stick their foot in. So either find a rock like that or construct one.

The thing about copper is that.. When the ich hatch out from cyst and go free swimming.. It will die immediately as there's copper in the water before it can even attach itself to the fish. Even if it manage to attach to the fish.. It will fall out aft 3 days after eating its fill and when it fall out it will either die from the copper before it can encyst.. Even if it encyst and burst out again.. It will again be in contact with the coppered water again. So yup.. Copper is the way to go for qt. Sent from Singapore Reef Club mobile app

Selling the following as I'm thinking of changing lights: (a) 1 x hydra 26 HD (left 8 months warranty) + AI HMS single arm mounting kit: $499 (b) 1 x hydra 26 HD (left 10 months warranty) + AI HMS single arm mounting kit: $519 (c) 1 x hydra 26 HD (left 11 months warranty) (brand new, just open up to test): $429 (d) 1 x AI HMS double arm kit + 3 feet AI rail (brand new in box): $249 Take all special bundle price: $1599. Pls PM me.