If you grab rock out of the river you should search on how to condition them for your tank. I have a planted discus tank and use only RO/DI water for top up and major water changes. I add seachems fluorite tabs every 3 months. As for the algae how long are your lights on? And low cost food add really high phosphates that also cause the algae build up.
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I believe Reefkeeping is not a hobby but a way of life It's unfortunate mine is at a stand still!
Building a 135 reef 9 years in the making(seem like I'll never get this 1 together! Too Busy with the Nano and Pico tanks
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