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Drivers should run on alternating current. In our case 120Vac. you can just used an old wall wart for your fans, must have 1 laying around somewhere. it depends on the lens angle, and the height you hang your leds.

hey you might want to reconsider grouping the LED or you might end up with the disco ball effect. Are you going to use lens?

for calcium 20x20 = 400ppm calcium almost right on target. 20 drops for alk? this seems wrong unless its a newer model that im not aware of. the one i used uses 1 drop per 1 dkh.

dam how much?!!?

O_O no way.

hmmm did you add a fuse to your circuit? did you check for continuity?

you dont have enough post to sell on this forum

with 2 RO membrane i use to boost at 80psi and get 1:1 ratio, however i read that its bad for the fittings and i just went 75 psi and still pretty close to 1:1 ratio. booster pump ftw!

yea it is just a lot less efficient. your good/waste water ratio going to be really bad.

wow............. nice job!

bump....

anyone?

sorry for the late reply, um i run 1 power cord for 6 meanwell drivers. everything else is controlled with my controller that i made.

anyone have a cheap mp10 close to LA? =]. dont need the wireless. can trade for brand new mp40w driver + cash.

im in for 6 if there is a pickup in LA

no problem! theres lots of stuff i cant do =] thanks. the seams are good because i did a lot of prep work to get them smooth with no saw blade marks. with the saw blade marks they tend to bubble up and would leave a mess. i didnt even bother to flame polish the edges because its just sitting...

i know this is wayyyy too far. we should get someone closer to LA for this group buy =].

hey yeah i guess you found your answer but yes 1 mp40 is not enough for your tank. either 2x mp40 1 one each side or get a mp60.

I used 1/4" RO line and 1/4" RO bulkhead that is screwed onto the bottom of the RO reservoir. There is a float valve in the sump. as water level drops in the sump the float valve drops thus causing the water from the water reservoir to drop into the sump until float valve floats up again and...

if you get 1, it might not make it in your 80 gallon.