Recent content by Mick Crawford

Here I go again, Can anyone tel me how high and dangerous a 0.5 phosphate reading is and the best method to get rid of it. Rowaphos, Phosguard or Elimifos have all been recommended. All other readings in my tank are fine but I have a terrible algae problem. Algae on the coral substrate is...

I am very grateful for your help. By the way when would an experienced aquarist consider a marine tank to be established for the purposes of inserting hard coral? PS love the changing face icon Mick

Thanks for the reply and for the welcome - the PH is 8.4 and alkalinity on my test kit shows normal to high. I have aragonite substrate and 150w halide lights. My apologies, calcium reading was 424 not 224. I also forgot to mention I have 2 yellow tangs, two Pyjama cardinals, a clown and a...

I have an Aqua Medic Percula 90 about 70 gals with everything built in, skimmers, filters etc. The tank is now 6 months old and all the readings are '0' or normal. Calcium is 224, magnesiun 1480. S.G has recently risen to 1.029 and I am correcting this gradually with water changes 10% per week...

I need some help, My tank a percula 90 with built in skimmer filters etc has recently started to suffer from being overrun with algae. The algae is like hair very fine, but dense in as much as there is a lot of it. It has infested the live rock and tank sides. It seemed to start after I added...

Wade Thanks for the reply, I have purchased 20 kg (about 44lb) of this Madagascar live rock and it certainly has some growth on it, including xenia pulse coral. I will give it a few weeks and then take a picture and send it on. I don't know about superior as I have no knowledge of...

I am just about to set up a new Marine aquarium and the stockist tells me that Madagascar live rock is vastly superior to the normal Fiji rock with less delivery time to the uk and therefore more life forms still alive on arrival. Has anyone any knowledge of this rock?