tacks
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125g FOWLR set up for about 10 months now. Tank is built in wall in basement so it doesn't get much natural sunlight. Wet/Dry filter (with chemi-pure) Berlin Turbo protein skimmer. 100 lbs of live rock, 160 lbs of live sand. Water change of 30 gallons every three weeks. Lighting is VHO. IceCap 660 runs 1-110watt Super Actinic, 1-110watt white actinic, 2-95watt white actinic. The other IceCap 430 runs 2-95watt super actinic. I've cut back on lighting now to 4 1/2 hours per day. Tank is stocked with the following, 3 yellow tangs, 1 flame angel, 1 fridmani, 4 green chromis, 1 lawnmower blenny. Assorted crabs and snails from original cleanup crew. I feed once per day frozen and seaweed selects for grazing. Every third day, the tank does not get fed. Levels are as follows as of today...
PH - 8.0
Ammonia - 0
Nitrite - 0
Nitrate - <10
Salinity - 1.022 (not with refractometer... will get one soon)
Alkalinity - 9.8 dKh
Calcium - 315mg/L
Phosphate - 0.4mg/L
No matter what I do, I can't get rid of this cynobacteria. It's on the sandbed and some rock. I've increased the flow (now up to 7 powerheads), started rinsing/straining food, cut back on lighting, bought chemi-pure. I'm religious with water changes and clean the overflow filter daily. I use Hi-S RO/DI for makeup water and water changes. Fish look GREAT and are very healthy. The tank however doesn't look so good. I'd rather not correct this problem with chemicals but I'm getting close. Any suggestions? I hope I didn't leave any info out.
Woke up this morning to find sand sifting star had been eatin by peppermint shrimp and my Diamond Goby jumped through the eggcrate once again!!!! Back to square one and I'm ready to give up!!!!
PH - 8.0
Ammonia - 0
Nitrite - 0
Nitrate - <10
Salinity - 1.022 (not with refractometer... will get one soon)
Alkalinity - 9.8 dKh
Calcium - 315mg/L
Phosphate - 0.4mg/L
No matter what I do, I can't get rid of this cynobacteria. It's on the sandbed and some rock. I've increased the flow (now up to 7 powerheads), started rinsing/straining food, cut back on lighting, bought chemi-pure. I'm religious with water changes and clean the overflow filter daily. I use Hi-S RO/DI for makeup water and water changes. Fish look GREAT and are very healthy. The tank however doesn't look so good. I'd rather not correct this problem with chemicals but I'm getting close. Any suggestions? I hope I didn't leave any info out.
Woke up this morning to find sand sifting star had been eatin by peppermint shrimp and my Diamond Goby jumped through the eggcrate once again!!!! Back to square one and I'm ready to give up!!!!