BarraCudaTM

somewhere like 1drop/sec or less

the powerhead is to drive water thru the airtube the water will first go thru a 1 way check valve to prevent the water from flowing back then go thru to a control valve to control the flowrate the water going thru 50m of airtube would be deprived of oxygen as the aerobic bacteria will consume the oxygen along the way after going thru the airtube, the water will have to pass thru the bioballs which is the home of anaerobic bacteria that will convert nitrates to nitrogen. With the correct flowrate + at least 8weeks cycling time would enable the bacteria to work on the nitrates

keep us informed

thanks phang

I would like to have the mandarin pls

when you add too much calcium, strontium or magnesium, they will precipitate and make yr water cloudy and the kH will go down and if the kH is too high, calcium and other trace elements will precipitate too if you want to raise calcium and kH fast, you can use seachem reef advantage calcium and buffer, that will push the calcium and kH up but must be carefully monitored as calcium cholride can upset the ionic balance of the water if there is not enough buffer to counter it

I think sodium bicarbonate (baking soda) is the best and cheapest choice for increasing pH rapidly baking soda can dissolve better than kalk btw why do you need to raise the pH?

I think its because liverocks taken near coral reefs gives the best quality and taking rocks from reefs will certainly damage the reefs

there is a air inlet hole near the output of the powerhead

forgotten about the control valve let the pump fill the container until its full then adjust the control valve for best denitrification!

hrmm I got an idea for a DIY coil denitrator you need to get a submerge powerhead with the air hole in the output, block the half of the main output so instead of ###### air, it will be pumping water out of the air hole. hook up 50m or more air tube to the air hole, add a 1 way check valve to prevent the water from flowing back connect to a cylindrical container and fill it with bioballs create a outlet on top of the to allow the water from flowing back its simple and easier to build heres a simple drawing

no idea .. most likely indonesia is stepping up security since the bombing and I think that will affect the smuggling the above information is given to me today by the ah pek working there.

the price at pacific marine will depend on the origin of the rocks if from japan .. should cost $6/kg if from indonesia should cost from $8-$10/kg they are selling their balance stock .. I doubt they are going to dig the local rocks anytime soon

heh .. can I have a mandarin?

if you need help .. can call me

I think they only stock actinic FL of various length and 10000K 36watts the other bulbs are for freshwater

I was there on 16 evening too! I was there from 7+ to 9+ $4.50 was the price given to me when I asked them about the recent ban of liverocks

you can buy syringes at NTUC healthcare or pharmacy but I dont think you can buy the needle

so far so good leh liverocks still cost $4.50/kg at hong leong btw marine and discus in farmart is digging liverocks from st john island and got caught, confiscated and fined. Their shipment of clams were confiscated too heard that indonesia is stepping up on securities on shipment thus hard corals and liverocks may be hard to "sneak out"

you can get them easily at any electrical or hardware shops .. they come in a row .. wont cost you more than $1.50 depending on the size

looks good

you didnt water proof the connection! <_

is there a way to trigger water topup directly from tap like the toilet flush?

I noticed starfish eat small anemones too, I once bought a rock anemone rock that comes with some sand anemones then they start to "migrate" and dissappear overtime, I lately found out that my common star and red general star will eat them Somemore you can take out the starfish easily unlike fish

Their corals are cheap but fishes and shrimps some quite expensive actually the black tang can get for around $200, need to order its really a nice feeling browsing thru the tanks without the crowd