Frag Plugs Part 2

Last time I was making frag plugs using sand molds and cement. I have changed things to use clay and silicone molds and will discuss my methods here.

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Is Rock Needed?

In Saltwater tanks rock is a very common decoration. Besides looking very natural it also adds other benefits. Porous rock with lots of holes helps to add more area for bacteria to live on. Rocks can be stacked to make caves and tunnels for fish to hide in. If you should decide to get corals one day rocks are perfect to mount them on.

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