Blue Thumb Smooth Ribbed Blue Limestone Sphere Fountain Kit – 16" & 24"
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Smooth Ribbed Blue Limestone Sphere Fountain Kit
A beehive-shaped sphere of genuine blue limestone with alternating smooth and ribbed bands. Water bubbles from the top and falls rib to rib, adding movement and sound to any garden.
The ribbed, beehive profile is what sets this sphere apart. Instead of a single smooth sheet, water steps down from rib to rib, catching light and creating a gentle, layered sound. The design blends warm earth tones with a clean transitional shape that fits both traditional and contemporary landscapes.
Each sphere is carved from natural limestone, so color, texture, and veining vary from piece to piece — part of what makes every fountain unique.
Natural blue limestone with unique color and texture in every piece.
Alternating smooth and ribbed bands make water fall rib to rib.
Sphere, basin, pump, valve, plumbing, and pebbles included.
Water recirculates from a hidden basin — no open pond.
| Model | Sphere | Stone Weight | Basin | Pump | Pebbles | Price |
|---|---|---|---|---|---|---|
| ABART5016 | 16" dia. | Approx. 185 lbs | 36" Achelous | 660 GPH Mag-Drive | Black or Mixed | $1,799.99 |
| ABART5024 | 24" dia. | Approx. 575 lbs | 48" Achelous | 1,110 GPH Mag-Drive | 200 lbs, Black or Mixed | $2,899.99 |
Pebble color is selected at no extra charge.
| Spec | Value |
|---|---|
| Material | Genuine natural blue limestone |
| Design | Smooth and ribbed transitional sphere |
| Sizes | 16" and 24" diameter |
| Installation | Pondless — sphere sits over a buried basin |
| Brand | Blue Thumb |
Will my sphere match the photo exactly?
Limestone is natural, so color, texture, veining, and pattern vary from piece to piece.
How heavy is it to install?
The 16" sphere weighs about 185 lbs and the 24" about 575 lbs. Plan for help or equipment when placing the stone. Freight charges apply — call for a quote.
Do I need a pond?
No. Water recirculates from a buried basin hidden beneath the included pebbles.
What about winter?
In freezing climates, remove the pump and drain exposed plumbing before a hard freeze.