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I've read in a couple places that you should avoid exposing the pellets/reactor to light. Have people done anything to cover/light block their reactors? I was thinking of a PVC sleeve but that may be kind of heave - other option is some black plastic from a good-ole 5mil thick "contractor"...

Ok, well that's what I have now (both MJ12 and outlet in the same section) - I thought it was better for a stable level but it also seemed like it was recirculating the same water - I guess it's the same water either way though - the return is just an extension of the skimmer section. I'll make...

Thanks George - pretty sure it's not level - I noticed that it wasn't but didn't give it much thought - the way both are mounted and for ease of removal for maintenance I have the key-hole screws loose so it just hangs up there. without the screws holding it snug against the lumber it's going...

Thanks - I'll double check that but a quick visual inspection as I was setting it up didn't show anything "out of whack" or that looked abnormal. Can I infer from your suggestion that yours did not "flow" that way? not "flow" that way? I started with 3/4 of a cup - 1/2 of the recommendation...

I set up a BRS reactor to try bio pellets. I'm using a "bio pellet" insert (thanks downbeach) and the reactor is fed by a MJ-1200. I know to expect the pellets to behave oddly until they are colonized but it seems that the reactor is spreading the flow oddly. If you can see this video I was...

How many 3W Crees will he need on his DIY fixture? :)

Not sure if I missed a detail but if you're trying to elevate the skimmer (had to do this for my NAC6A which also uses an Atman and we have similar sump setups) I did a PVC stand for the aquaC I tried. Very simple concept. 2 pieces of 4" cut to the height I wanted I lined up and drilled holes...

My Alk is on the low end. Not sure if the pre-mixing is why. Last nights test was 7.5 dkh

It was a very slow leak - I bumped the rigid PVC which I assume tweaked/torqued it enough that some sand was able to work under the gasket. I added some plumbers putty around the the bulkhead's flange nut threads and that slowed it to 1 drip every 2-3 minutes. It has since stopped so the putty...

Unfortunately I can't rearrange my sump layout now so I will need to feed the fuge somehow. I could just use a small pump or I could feed off my return but I'm not sure the Mag 9.5 I use is strong enough for that and I now have a second / backup 9.5 do I'm kind of married to 9.5 And of course...

I have the same precipitate. I mix in a 30 gallon drum and keep 20-25 gallons made up at all times. I use 15g for a WC then I make and add 15g of new RO/Di and after I'm back to 25g I add the 7 cups of salinity. I have 2 old powerheads a heater and an air-stone in there at all times. Mixing...

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It was suggested (on RC) that I do a complete redesign. Suggestion was to use an uninterrupted drain - i.e. no shut off and no tee to the fuge, etc. fuge to be supplied off the return. Theory is that all tank water passes the skimmer. His theory, enough nutrients get passed the skimmer and will...

I guess it's safe to assume that PVC, flex or rigid needs solvent/cement and the clamps are for vinyl

+1 - by the "ice maker" supplies in plumbing. Almost all the John Guest fittings you need are there too

Is the flexi PVC preferred over clear vinyl? Does it have enough give? Should I glue directly into a slip bulkhead?my plan is to try to slightly tighten and see if that stops the leak. If not I will drain and clean the overflow (hopefully w/o draining and pulling the sump). If either stops the...

Thanks. HD's closer to work so I always try there first- ill drive the extra mile to Lowes. Can it be treated like rigid PVC? Primed and glued? How flexible is it?

Thanks George - question - when you say "flex" pipe - what do you mean? What comes to mind for me is the stuff that's sold by the foot - eg. clear tube for the drain would have a inside-diameter of 1" (OD might be 1.25" - not sure without looking at HD or Lowes) - does that mean using barbed...

My plumbing has developed a slow leak at the drain bulkhead. Seems to be coming through the threads as opposed to around the flange nut. I'm not sure that means anything but I was able to slow it from 2 drips a minute to 1 drip every 3 minutes or so with some plumbers putty on/around the...

paul - you have assumed correctly - rigid PVC and it’s tee’d off to the 75-80% to the filter sock / skimmer and 20-25% to the refugium. not a perfect shot but it happened to be on my phone: as for there being torque on the bulkhead – I think that’s most likely the case – I’m not sure how I...