Switching from Aquaforest back to FM

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    • Neu

      hi vinny

      I have stuck to my dosing regime as you advised. I have noticed something however over the last few months.

      My algae in the tank has worsened over the last 3 months. I have persistent algae growth in my water pumps. Even after I physically remove, within the week more has grown on them. In addition the gravel has gone an ugly, dull greenish brown colour. It is not cyno but clearly algae that is being allowed to grow in the system. SPS colours also browned and drab.

      My glass and rockwork is fine, due to my abundance of snails.

      Tubes are only 5 months old.

      The only change I have made in these 3 months is that I stopped using Rowaphos GFO and switched to FM Powerphos GFO. I dose as per the recommended levels (350ml for my 700L tank).

      I am confident that Rowa product is stronger to the FM version.

      In addition I did the po4 heat test as per FM website. I got a value of 2.66 (plain sample 0.03, heated sample 0.08).

      1. What advice do you have to drop the po4 levels and make the tank vibrant again?.
      2. Should I revert back to Rowa?
      3. Increase powerphos dosage?
      4. look to remove and replace the gravel, again?
      5. If I add zeolites to help, what flow rate do I run them at?

      Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von vikz ()

    • Neu

      Increase PowerPhos to 450ml.

      Sudden spike in PO4 likely caused the color shift and accelerated algae growth. That is assuming all other maintenance habits remain consistent.

      Check your other parameters for any changes outside of the normal values and adjust were needed.
      Check temperature too. Increased average temp will also accelerate algae growth and alter coral color depending on the % temp increase.