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My PH is at 8.2, my DKH is around 9.5-10.5. I also have been doing about 10% water changes every 2 weeks because I was fighting an algae problem that I attribute to an old RO unit I have replaced with a new RO/DI. What is an Mg. reading? I use a Salifert test kid that is about 12-14 months old.

I knew that would get your attention..... But its CA I'm talking about. I have a 75G with 2 clams and about 6 acro frag 2-4" and 1 stylophora, 2 plate corals, 1 meat coral. There is also about 150lbs of LR between the display and sump, some fish and LPS, also a 25G refugium. My ca levels (via a...

I have seen others on the BB recommend LOA lights from Home Depot for a refugium. I just saw a 65W 6800 lumens light which looks like an outdoor spotlight. It has the flor bulb with 4 sections (so it looks kinda like PC's) $30 Is this the right one for a refugium? Will it work??

Is this Home Depot light a complete unit or just a bulb??

Is this Home Depot light a complete unit or just a bulb??

Jon My cleanup crew is weak, I know I need to add more hermits and snails. I have an arrow crab which I heard may be killing the snails and hermits, I have never seen him do this, but I can't seem to keep them around. I still think I have some silicate and/or nutrients from an old RO only unit...

Have been getting outbreaks of green hair on my LR and now some brown and red film on top of the sand. I have added a new Precision Marine Bullet 2 skimmer and a new RO/DI for top off and water changes. I have done about 70G worth of water change in 8 weeks since getting new RO/DI. My hair algae...

Phosphates are undetectable using a Salifert kit. I have 3 large power heads moving quite a bit of water in the tank. I know I need some other cleanup crew, but what about things like carbon or chemipure etc.....

I have algae, some brown, some red/pink growing in spots on the surface of my sand. I have had die off on my turbos and hermits so there are only a few and I know I need to get some more, but, is there anything other than lack of cleanup crew that is causing this. I have no readable nitrates or...

Heading to Pitts next week for business trip and looking for a good reef LFS to browse in while I kill some time, instead of drinking in the hotel bar:cool: Any .......

Meat corals look very similar to brain corals. They have a hard coral skeleton that the coral is attached to. The coral expands and contracts while attached. I have the coral in a med light and current area and it seems to bust out of its skeleton every day during light period. I feed "meaty"...

Casey I have a meat coral that is the lower 1/3 of my tank and it is doing awesome. I have 2 X 250W MH and 2 X 110 VHO in a 75 G. It is probably best to start most corals lower and workl them up towards the top, this will eliminate shock if your lights are way different than LFs. HTH

Well...???? I have one in a 70G tank with lots of LR and hiding spaces. I have not seen him do any damage, I've only seen him pick at the sand and LR, BUT I can't seem to keep hermits in the tank. I have heard that arrows will bother any other type of crab..:confused:

I have fragged a leather coral and it seems the pieces dont want to attach to the rubble using the toothpick/elastic method. Can I use the super glue gel on the leather and help secure it to the rock??? Its been about 2 weeks since I cut the frag...coral looks great, just not attached

I'm using Salifert test kits. I test in the lowest range available per the instructions and the test results are totally clear!! Even asked my wife to confirm color readings and she agreed. I also had the water tested at LFS and they also found 0. My LFS did say that my TDS reading was around...

1 other thing I forgot. I do have a Kent bare bone RO unit for top offs and water changes. The unit is 2 years old and I have never changed the filters inside, I still have no phos or nitrate reading in the RO freshwater either. Not like I want to spend another $250 bucks, but would a different...

OK....I have some hair algae growing on my LR. I just added a Precision Marine Bullet 2 skimmer on Friday to replace my old counter current, so I know it will take a little time to effect anything with that (although its kicking out gunk already) I have 0 nitrates and phosphates in the tank, I...

Hey Marco There are lots of things that will eat hair algae sometimes, and thats the key. There really is nothing that is a guarantee hair algae eater. The lawnmower blenny eats some, snails and hermits might, some tangs, lettuce nudibranch, foxface.. The most important thing I think is to find...

I have a 75g with about 40g of sump. There is about 100lbs of LR in the display and another 50 in the sump. I have 4 fish with a mix of LPS and SPS. I have 2 250W MH and 2 110w VHO actinics.I currently have a 4' x 6" diam CC skimmer powered by airstones. I want to upgrade to a new skimmer. I am...

Lights are new...actinics are on for about 7 hours, while the MH's are on for about 4 hrs each day,