One man's trash: CADE 1500 S1 secondhand build

Alenya

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My fish should be dead.

A few weeks ago my partner came upstairs looking anxious and said the words we all dread: "Sweetie, there's a leak in the tank! What do we do?"

A quick trip downstairs and my fears were confirmed, my Red Sea 250 had the bottom seam let go and water was spritzing onto the living room floor. Thankfully the gargling noise that heralds a time to top up the RO had sent us downstairs, though this time it had a been a more nefarious cause.

We quickly emptied the tank, and moved water to a spare 200l tank right next to the failing one. Rock went next and then our fish, though many made a scene, disgruntled about the sudden evacuation. Our chief fish, Puff Daddy, actually co-operated for once and sat in his jet plane civilly, a hastily repurposed ice cream container.

As we mopped up the mess, I realised that if this had happened during the week the tank would have let go and we would have lost all of our fish. Now I was lucky to watch them gossiping in the new tank. Puff Daddy, the Queen my marine betta both we have had since we started this journey years ago. It made me realise how attached we get to our little friends.

It was pretty clear we would need another tank. I put the bat signal out to the local community to get word of any tanks coming for sale. I could not justify $5k for a new one, as we were very skinny on funds after no work and changing jobs. I hoped someone had a system going for a good price.

After a little back and forth I secured a second hand CADE 1500 S1. A local reefer had bought a whole system to get the yellow tang. Yellow tangs used to be $100 in Australia but with the restrictions they have blown out to $1000, so he bought the system and them parted out the rest. I had dealt with him before so after a nice catchup, admiring his main tank and checking the CADE out we agreed on $700 for the tank with its return pump and the wave pumps and pump controllers. It has a few chips but nothing major, and he held it full of water so it's as good as it goes.

My plan right now is to get the tank moved to the new home (moving house is happening at the same time) and then work to get it ready to setup as a new tank. My fish will be moved to the new house and resign themselves to living in their condo until it's ready to go!

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Stang67

KEEP CALM AND REEF ON
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Great score! Good luck with the new tank!
 
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Alenya

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Today is moving day! The seller has removed all the plumbing and labelled it for me for reassembly. I just realised this will be the very first item we move into our new residence, so that's an exciting milestone. I hope I picked a good spot. Now I hope the couch will also fit later!

The quoted cost for 2 people and truck is $400. By comparison, when we move house in 2 weeks the rest of the house is $600.

Current total cost for the new system $1100
 
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Alenya

Alenya

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Oh man what a day! The removalists had NO FRICKIN IDEA how to move a marine tank. Even though I put all the info on weights and dims, access etc it was clear immediately that this had not been passed onto the two gents who turned up to move the tank.

We had had a lovely catch up with the seller, going over the dismantle and parts, having a cup of tea and biscuits next to his display tank, and talking tanks.

These guys rock up with the truck, and a furniture dolly. We ended up helping with a 4 person carry. They secured the tank in the truck sitting on the dolly and tried to look at using a trolley to shift the cabinet - no way.

Things only got worse at the drop-off. They broke branches coming in trying to get the truck close to the door. They drove over the side of the septic tank enough to make the concrete lid lift!!! My sister got home (we are taking over her house) and started yelling at them which was kind of hilarious. Amazingly they did manage to get the tank in safely.

They left but not before having the temerity to ask for $100 more for heavy lift. No way! Weights were in the job description. Finally to add the final topping on this poo sandwich we receive a call from the booker asking if we wanted them to quote on our house move!!!! ABSOLUTELY NOT lol. They ask us to give a review - you bet I will!! lol

So the tank is in, photo attached. Not much to see yet. Next is the actual house move in 2 weeks and then the work begins.

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Alenya

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Well we have moved in safe and sound. My fish have also come across okay. I had them living in a 35 litre bucket for a few days with the bioballs and a rock in the bottom, a nano skimmer and a couple of small heaters.

We nearly lost our banana wrasse, having accidentally left him in the tank when moving, he was in a tiny amount of sand with maybe 1/2 cm of water. My partner spotted him while the removalist truck was unloading and called me to tell me he was dead. Bless him he wanted to soften the blow before I got back from the shops. When I came home the wrasse was in the corner and I immediately thought he looked like he was playing possum. A few panicky minutes later he was in a container with some very dirty tank water and a scavenged heater. The water was cold but he perked up as he warmed up. A few hours later we put him back in the bucket with the others. Estimate he was like this in the tank for about three or four hours.

So, tank progress. We moved it around a bit deciding on a final layout. All the rock from the old tanks have been in a bleach bath this week, we hosed them off yesterday and they are drying. I've also found someone selling a 5 foot dimmable T5 unit, so that might be the new lighting option.
 
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Alenya

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The move is pretty much done and I've finally decided on the tank's permanent location near the dining table and as a centrepiece for daily life.

Today was day 1 - I went to my LFS and picked up some extra rock, ordered 30kg of sand and also grabbed a 500w titanium heater.

The heater is super cool, very small form for its size, with a probe and a mountable temp control - not bad!

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At home it was time to have a proper look at the tank, strip it down and prepare it for a thorough clean. Here's all the pics showing parts of the CADE, because not many photos are out there.

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First job of the day is removing the built in pumps for a thorough inspection. There are four pumps and they are housed in the rear section. There is a glass shelf where they sit. It took a little work to get these loose, there was a bit of a trick to loosen off the fittings. Physics and leverage, ahoy!

These just come out easily

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then the fittings needs to come off. These are pretty snug. Fortunately there's a trick.

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There's enough room to rotate the pump/ pipe instead to loosen, a far gentler option than brute force.

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Pretty decent size pumps!

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Everything out of the tank, ready for cleaning!

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And all the pipework ready for cleaning and inspection.
 
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Alenya

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Went out and pulled the trigger on the second hand T5 unit. It is a ATI dimmable Sunpower 60" unit holding 8 x T5 tubes. Working fine, some minor dings and came with 12 T5 tubes, all ATI Blue Plus and Coral Plus. Total price $500. Will light the whole tank!

I'm keen on a white look so will see how we go. For now I need to get a cable suspension kit and install.

Total cost now $2200.

Chili flakes for scale.

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Alenya

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Snagged some citric acid and made a bath for all the pipe parts, 3/4 cup citric to 4L water. They need a really good soak. Some fittings look a bit dodgy, pipe needs replacing. Lots of cable tie.

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Alenya

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Big clean of the main display today! Soak with citric acid and paper towel. Came up pretty nice for first wash. The water stains are pretty bad. I've asked for a quote to get the glass polished.

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danieyella

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Thank you! It's so huge it's a bit daunting. The phrase 'one bite at a time' has been a recurring theme. Any pro tips as a current CADE owner?? :)
They're such easy systems to be honest. The only pain can sometimes be conversions with plumbing in other things, but it's just annoying not a real issue. I've never run an entire system from someone else, my tanks before the 1200 were basic tanks (20g no sump and 90g with a 29g sump plumbed in) so IDK how they compare to other systems like the redsea or water box but when I knew we were moving and couldn't bring the 1200 in the interim I downsized to another cade and now that we're at the house I bought the 1500 peninsula as well. Clearly I'm biased now.
 
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Alenya

Alenya

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They're such easy systems to be honest. The only pain can sometimes be conversions with plumbing in other things, but it's just annoying not a real issue. I've never run an entire system from someone else, my tanks before the 1200 were basic tanks (20g no sump and 90g with a 29g sump plumbed in) so IDK how they compare to other systems like the redsea or water box but when I knew we were moving and couldn't bring the 1200 in the interim I downsized to another cade and now that we're at the house I bought the 1500 peninsula as well. Clearly I'm biased now.

I feel like being biased is a great vote of confidence for anything! I mean you SHOULD be biased about something you like

Your start sounds very similar to mine, started with freshwater tanks, then the all in one marine nano, the red sea 250 that failed was my first sunp tank. This is my first really big tank.

Today I spent time working out a way to remove the water stains on the glass. Hydrochloric acid did nothing which was surprising. Onto manual/polishing removal when kit arrives.

Today I am tackling the sump and giving it a clean. It's the last step before plumbing assembly. I also removed the PDU strip, the washers had rusted so one bolt had to be drilled out.

As before adding some pics for posterity in case someone needs them.

The PDU fasteners obviously not designed for marine, which makes sense since they are a network cabinet item.

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I really like the gravity fed ATO

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The return pump is on the right hand side of the sump. I think this front section will make a perfect refugium.

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The PDU before removal, plate obviously rust damaged.

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These filter bag holders come straight out in 3 pieces.

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This gate came out easily for cleaning

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Side doors to fix controllers etc. I believe this changed somewhat on P2. There is a matching door on the other side.

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I am NOT a fan of the plugs being on the inside of the tank next to spray. I do like the switches. I feel it really needs a cable tray and I guess this is why the P2 design changed. There is also no room for the chiller, it will have to sit outside. Will need to sort plumbing for that.

Things to do:

Clean sump and cabinet
Reinstall plumbing
Shift to final location
Add load spreader under front feet
Leak check and initial level

If I have time will also start working on hardware. My LFS told me my sand arrived today, went with 27kg (about 55 pounds) of coarse oolitic aragonite. So once everything is level next step is adding a home!
 
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Alenya

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Spent the day cleaning the sump and cabinet. Almost all the pipe is assembled which was super annoying without directions. I'm off to snag a couple extra pipe parts, some tape and ties and then we are pretty much ready for the fill test.
 
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Alenya

Alenya

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Cool project! Will be following this! Can't wait to see the end result of the restored tank!
Thanks! Big day today, finally filled the tank and let it rip!

Just with tap water though. I had a nervous few moments whether it would hold on the floorboards, I ended up putting metal plates under the front feet to spread the load a little.

It's going great, just a couple of small leaks at the bulkhead fittings that I will fix with plumbers tape.

Going to let it sit for the week and settle in before I empty and do the final level.

Have a few things I will change. The pump positions show their white bodies through the inlets, so for cosmetic purposes will rejig how they sit in the back.

The topup float makes annoying noise when working so I'll pull it out and make some adjustments.

The bulkhead fittings will come off and be taped up to seal any leaks.

The return pipe seems a bit noisy/janky with water falling over the back ledge. I'm not happy and will review the layout.

Also have the water stains on the glass to sort.

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