Changed GFO (1 cup), blew rocks, stirred sand bed a bit, and pulled some algae which has been trying to grow. All corals look good except for the Orange Hammer which is still mostly retracted from being bumped when the Teal Acro was introduced and the Teal Acro which never colored up when it was placed. Getting good polyp extension from the Teal Acro. The rest of the Acro frags are growing or encrusting with great polyp extension and color. The Red Planet Acro lost its green underlying color but suspect because the T5s are too bright for it.

Replaced the Micro Jet 320 with an Eheim Compact 300 (80 gph) for theKalk Drip Chamber to keep the detris suspended and stir the Kalk chamber.

Using Zeo Sponge Power and Amino Acids concentrated (1 drop/day) to see what they can do to help on color and growth. Been dosing these for about two weeks. Not sure if it because of these but seeing good growth and encrusting than I was seeing before.

I am not too impressed with Vodka dosing as not seeing much from it which may be due to the deep sand bed from what I am reading. I should be dosing a maximum of 1 ml/day for my tank but I am up to 5 ml/day trying to find maintenance dosage. Not going to increase more than that and looking at discontinuing it. The nitrates are staying at 17.6 ppm with little impact on phosphate levels.

Related posts:

1. Changed GFO Changed the GFO in the TLF Reactor as notice algae starting to increase growth rate and Hanna Meter, which started using this week, indicated 0.08 ppm PO4. Used about 3 cups....
2. GFO Changed Changed GFO today as PO4 creeping up....
3. Changed GFO and GAC Replaced Granular Ferric Oxide (GFO) and Granular Activated Carbon (GAC) and cleaned reactors. Used about 1 cup of GFO and 2 cups of GAC. Will need to cut down on GFO as took a big pH hit this time....
4. Changed GFO and GAC Replaced Granular Ferric Oxide (GFO) and Granular Activated Carbon (GAC) and cleaned reactors. Used about 1 cup of GFO and 2 cups of GAC....
5. Changed GFO Replaced Granular Ferric Oxide (GFO) and cleaned reactor. Used 1 cup of GFO. Switched out Maxi Jet 400 for 1200 to get better tumble as think that is reason GFO not lasting 14 – 30 days as it is caking....