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    stream loop

    we’ve been intrigued lately at the use of closed loops and mj1000 “loops” used by many japanese reefers. it allows flow to be directed towards the coral (front to back) without actualy viewing the pump. the black triangle flow directors seem particularly popular.becoming just as popular on many japanese reef blogs is the use of […]

    we’ve been intrigued lately at the use of closed loops and mj1000 “loops” used by many japanese reefers. it allows flow to be directed towards the coral (front to back) without actualy viewing the pump. the black triangle flow directors seem particularly popular.becoming just as popular on many japanese reef blogs is the use of mj eco-mods. taking a normal maxi-jet power head and creating a propeller stream type pump. by doing this you are able to get 1600gph @ ~20watts. these kits are inexpensive and energy efficient, the problem though is they are large and unsightly. after some trials with our tunze 6025’s i’ve found that the flow isnt significantly reduced by directing it via tubing. the wide dispersed flow is then channeled to a smaller stream, but it is still a powerful current and better than a typical powerhead.possibly in our new tank we will use a mj1200 eco-mod kit hidden in the rock work. however, at the output we will use ABS pipe and channel the flow in different directions; this will help eliminate dead spots and be more energy efficient and less hassel than a closed loop. below is an image showing a reef with closed loop plumbing hidden withing the sand bed. i have also seen where powerheads are hidden and directed via plumbing under the sand bed so they are “invisible” to most users. a pic below shows the “triangle’s” used.

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