I am planning a 240 gallon build in the near future. I currently have a 75 gallon reef with a mixture of fuji live rock and pukani rock. Never had any issues with it minus some diatoms after adding the dry pukani. I added 2 kessil 360we and replaced the cheap LEDS about 5 months ago. I have battled cyno, bubble algae, and some green hair algae. Ironically my fuge looked better than my display. I recently took it offline to work on a overflow. I added a auto water change system and have been doing 5 gallon changes on top of that every few days to combat this. My hanna ultra low phos checker says I have 70 ppb of phosphate. I feed about a pinch and a half of pellets every 2 days just to keep the nutirients down. I make decent skimmate, I run GFO and carbon. My display looked pristine with a little cyno periodically till i added the Kessils. I had them running at 85% peak for about 3 hours a day then ramp down.I changed that to 65% last week to see if this helps. I also supplement with 2 T-5 bulbs. I have 2 Gyres set to ramp back and forth from 50% to 100% during the day. I have 8 fish in the tank with none no larger than 2.5". The only changes I have made to the system over the last year was adding the gyres and setting up the water change system plus the new lights. I suspect it is something in the spectrum that is feeding the algae. It was so bad, the chaeto quit growing. I usually gathered a shopping bag stuffed every month. I dont over feed nor am over stocked. So could it be the rocks that are leaching? I started this setup in 2011. I would have belived it would have worked itself out by now.
I said all that to say this, should I dispose of all the current rock and start over? I would really like to incorporate my existing rock and supplement with TBS live rock. But I will not add this to the new system with all the algae I am fighting right now. I really dont want to spend the money on a 250 gallon set up from TBS. maybe cure 1/2 of the rock from dry rock and do the part 2 package after the cycle. Im torn as we speak about this.
I said all that to say this, should I dispose of all the current rock and start over? I would really like to incorporate my existing rock and supplement with TBS live rock. But I will not add this to the new system with all the algae I am fighting right now. I really dont want to spend the money on a 250 gallon set up from TBS. maybe cure 1/2 of the rock from dry rock and do the part 2 package after the cycle. Im torn as we speak about this.