Well I just Emailed Larry about them so I will let you know what the max orders are LOL!
Speaking from experience using Larrys reef plugs along with SEVERAL other makers including bostonaquafarms Larrys plugs are the best performers out there hands down!
Virtualy no cure time what so ever because they are not nealry as porus as other plugs.
The fact that they are made from a fired clay and not concrete is what REALY makes them the best choice. This is because the calcium carbonite content in clay is astronomical when compared to concrete. Even Portland cement mixed with aragonite. Which is also very acidic and needs to be cured in fresh water for a long period.
This means they will effectively act as a mini calcium reactor under each frag.
( just like the tumbled marble tiles I use)
I realy have tried just about every plug out there and these are the only plugs that didnt produce a larger amount of brown diatomes followed by hair algae on the plug it self.
They are also much sturdier and have a thinner disc than most plugs out there. ( which makes for easier concealment when adding them into your reef structure.)
( I want a discount now Larry ! Just kidding
)
I tried the rest and the only two that work well for me are Larrys plugs and tumbled marble tiles for lowes.
