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Please share pic of your juggernaut bcb if you don't mind.
Check post 122. They're in the thumbnail section, but i didn't pull them out and my sump is translucent, not transparent, so it's hard to show scale. The Milk crates are 12"x12"x10". They're filled up to about 6-6.5". There are also pics of my smaller, planted BCBs (those are about 12"x5"x3.5").
 

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Check post 122. They're in the thumbnail section, but i didn't pull them out and my sump is translucent, not transparent, so it's hard to show scale. The Milk crates are 12"x12"x10". They're filled up to about 6-6.5". There are also pics of my smaller, planted BCBs (those are about 12"x5"x3.5").
How much clay did you use in that tank, what's the tank size and what's your water turnover?
 

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How much clay did you use in that tank, what's the tank size and what's your water turnover?
The tank is a 135 reef ready tank with the weirs in the corners.
There is about 40+ lbs of clay in that tank. The BCBs took up a 33 lbs. bag plus a little bit of a second bag to even them out, probably about 40 lbs. total. There is also a large BCB bag in the Rena Filstar XP3. I didn't weigh that bag, but it's probably a couple pounds.
The sump turnover is 2 pondmaster Mag 7's. I'd estimate that with the head, they combine for about 800-1000 gph as those pumps were finally replaced earlier this year. I haven't ever measured it, but the movement in the tank is strong. The Rena was rated for 350 gph full of media when I got it 12 years ago. It still goes strong, but I doubt it's that strong after all these years (all original parts). Similarly the water bottle filter is powered by a maxijet 1200 that has been doing that for at least 10 years. All combined, it's gotta be between 1,250 gph and 1,500 gph. There is also an UGF that's 4'x1' being run by a whisper 10 with the flow regulator turned down to just barely making bubbles. No clay in that plenum though.

I'm not sure how much the planted BCBs in the 55 and 75 weigh, but I wasn't quite able to make them and their plenums and the plenums for the 20 and 10 with the remaining roughly 25 lbs and had to get another bag that is sitting in my fish room 1/2 full. I went a little heavier with clay in the 10 and 20 gallon plenums since they don't have BCBs.
 

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The tank is a 135 reef ready tank with the weirs in the corners.
There is about 40+ lbs of clay in that tank. The BCBs took up a 33 lbs. bag plus a little bit of a second bag to even them out, probably about 40 lbs. total. There is also a large BCB bag in the Rena Filstar XP3. I didn't weigh that bag, but it's probably a couple pounds.
The sump turnover is 2 pondmaster Mag 7's. I'd estimate that with the head, they combine for about 800-1000 gph as those pumps were finally replaced earlier this year. I haven't ever measured it, but the movement in the tank is strong. The Rena was rated for 350 gph full of media when I got it 12 years ago. It still goes strong, but I doubt it's that strong after all these years (all original parts). Similarly the water bottle filter is powered by a maxijet 1200 that has been doing that for at least 10 years. All combined, it's gotta be between 1,250 gph and 1,500 gph. There is also an UGF that's 4'x1' being run by a whisper 10 with the flow regulator turned down to just barely making bubbles. No clay in that plenum though.

I'm not sure how much the planted BCBs in the 55 and 75 weigh, but I wasn't quite able to make them and their plenums and the plenums for the 20 and 10 with the remaining roughly 25 lbs and had to get another bag that is sitting in my fish room 1/2 full. I went a little heavier with clay in the 10 and 20 gallon plenums since they don't have BCBs.
Impressive. You went all out. I'm thinking of ways to fire clay because cheap bentonite clay granules (clumping kitty litter) is available on my country. One guy posted a video in YouTube on this. This time I don't want to build a large overhead sump. My main tank is around 70g with around 25lbs of oildri in BCB. That sump itself weighs more than 100 lbs (when filled with water) and sits on top of my wooden canopy i built myself. Thers is a cheap canister filter available here (DoPhin C1600) and i was thinking of stuffing clay in mesh bags in it. Could you have a look at it and suggest how I could make the water go "around the bags" in it. It's fairly powerful but has both in and out in the top unlike the Eheim classic 600 which is great for bcbs but is twice the cost and less than half the gph.
 

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The tank is a 135 reef ready tank with the weirs in the corners.
There is about 40+ lbs of clay in that tank. The BCBs took up a 33 lbs. bag plus a little bit of a second bag to even them out, probably about 40 lbs. total. There is also a large BCB bag in the Rena Filstar XP3. I didn't weigh that bag, but it's probably a couple pounds.
The sump turnover is 2 pondmaster Mag 7's. I'd estimate that with the head, they combine for about 800-1000 gph as those pumps were finally replaced earlier this year. I haven't ever measured it, but the movement in the tank is strong. The Rena was rated for 350 gph full of media when I got it 12 years ago. It still goes strong, but I doubt it's that strong after all these years (all original parts). Similarly the water bottle filter is powered by a maxijet 1200 that has been doing that for at least 10 years. All combined, it's gotta be between 1,250 gph and 1,500 gph. There is also an UGF that's 4'x1' being run by a whisper 10 with the flow regulator turned down to just barely making bubbles. No clay in that plenum though.

I'm not sure how much the planted BCBs in the 55 and 75 weigh, but I wasn't quite able to make them and their plenums and the plenums for the 20 and 10 with the remaining roughly 25 lbs and had to get another bag that is sitting in my fish room 1/2 full. I went a little heavier with clay in the 10 and 20 gallon plenums since they don't have BCBs.
Wow. Impressive. Do you think that amount of clay is absolutely necessary?
 

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Impressive. You went all out. I'm thinking of ways to fire clay because cheap bentonite clay granules (clumping kitty litter) is available on my country. One guy posted a video in YouTube on this. This time I don't want to build a large overhead sump. My main tank is around 70g with around 25lbs of oildri in BCB. That sump itself weighs more than 100 lbs (when filled with water) and sits on top of my wooden canopy i built myself. Thers is a cheap canister filter available here (DoPhin C1600) and i was thinking of stuffing clay in mesh bags in it. Could you have a look at it and suggest how I could make the water go "around the bags" in it. It's fairly powerful but has both in and out in the top unlike the Eheim classic 600 which is great for bcbs but is twice the cost and less than half the gph.
Yeah the overhead sumps required me to install high strength shelves and mount them into the studs. But I did that like 5 years ago. There is very little 'new' equipment in my fish room, except the UGFs, a few small air pumps and some new hoses on all the sumps. Most of the filters and pumps have been running for at least 5 years, except the new Mag 7's and the SunSun 302 on the 75 is only a couple years old. I used to have a lot more tanks running, so I have a ton of equipment laying around.
Wow. Impressive. Do you think that amount of clay is absolutely necessary?
No. Definitely not. In fact, I'm pretty sure it's the reason I got the rare pH plunge at first (stabilized itself in a few weeks). I just wanted to use the space I had and this is what I came up with to maximize that. I'm terrible about overkill. When I messaged Dr. Novak about my pH and how much clay I used he was pretty shocked and I basically got the 'well there's your problem' reaction. But he assured me it would stabilize and it did. I don't think it's hurting anything having them be so large and I think it may have helped in creating an anoxic zone inside the BCBs, but who knows.
 
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