PVC reefscape

[Heres_doe_]

Has anyone built a pvc reefscape? I have rock already and want to put more sps but don’t want to put a ton of rock. Can I make something like a branch to hold pieces. Or has anyone put a single fat rock on some pvc. Here’s my tank. I want to put more pieces towards the back.

 

[D'sreef]

I have seen where people has taken an epoxy sand mixture on PVC pipe to make branches, I have also seen sand concrete mixtures used. Both of these cases the rock was cured after. If you could get bulk aquarium epoxy and some marco joint powder or whatever it's called, I believe you could make something quick and aquarium ready probably within a day or two.

 

[coralSLover]

Has anyone built a pvc reefscape? I have rock already and want to put more sps but don’t want to put a ton of rock. Can I make something like a branch to hold pieces. Or has anyone put a single fat rock on some pvc. Here’s my tank. I want to put more pieces towards the back.

This is actually a very common situation, especially once a tank matures and SPS start filling in. A lot of people reach the point where they want more coral placement without adding more rock or losing swim space.

Extending the reef with PVC is a popular solution for exactly that reason. Many reefers use PVC shelves, branches, or “stilts” to create new mounting areas toward the back or higher in the tank when traditional rock stacking just isn’t practical anymore. It lets you add growth space without increasing biological load or blocking flow.

It’s especially common in SPS-dominant tanks where light and flow matter more than rock volume. By elevating a single rock on PVC or building a slim branch structure, you gain coral real estate while keeping the tank open and balanced. Over time, the structure disappears visually as corals and coralline cover it.

In short, you’re asking a question that a lot of reef keepers eventually ask — how to grow up and out when the tank feels “full,” without actually filling it with more rock. PVC extensions are one of the cleaner and proven ways people solve that problem.

 

[coralSLover]

Has anyone built a pvc reefscape? I have rock already and want to put more sps but don’t want to put a ton of rock. Can I make something like a branch to hold pieces. Or has anyone put a single fat rock on some pvc. Here’s my tank. I want to put more pieces towards the back.

Yes, quite a bit and it works well if built correctly.

Common approaches:

PVC “branch” or tree structures with drilled holes for frag plugs or epoxied corals.

Single rock elevated on PVC legs to create height and flow underneath.

PVC frame + rock skin (zip ties/epoxy to attach a few real rocks so it looks natural).

Use schedule 40 PVC, rough it up, and hide it well.

Keep it stable and wide-based so it can’t tip.

SPS do well on these since you get max flow and light without adding tons of rock.

Over time, coralline and coral skeletons make it disappear visually.

Lots of successful SPS systems use minimal rock with PVC-supported structures, especially for back-wall and upper areas.

 

[BigosGrubo]

Beautiful tank!

 

[BeanAnimal]

This is actually a very common situation, especially once a tank matures and SPS start filling in. A lot of people reach the point where they want more coral placement without adding more rock or losing swim space.

Extending the reef with PVC is a popular solution for exactly that reason. Many reefers use PVC shelves, branches, or “stilts” to create new mounting areas toward the back or higher in the tank when traditional rock stacking just isn’t practical anymore. It lets you add growth space without increasing biological load or blocking flow.

It’s especially common in SPS-dominant tanks where light and flow matter more than rock volume. By elevating a single rock on PVC or building a slim branch structure, you gain coral real estate while keeping the tank open and balanced. Over time, the structure disappears visually as corals and coralline cover it.

In short, you’re asking a question that a lot of reef keepers eventually ask — how to grow up and out when the tank feels “full,” without actually filling it with more rock. PVC extensions are one of the cleaner and proven ways people solve that problem.

Your posts are clearly AI generated.

 

[Heres_doe_]

Beautiful tank!

Thanks took me some time and a million posts to get here