Blue Thumb ABBC500 Triple Bowled Polished Top Basalt Fountain Kit – Pondless Outdoor Stone Bubbling Rock Water Feature
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Description
The Blue Thumb ABBC500 Triple Bowled Polished Top Basalt Fountain Kit features three natural volcanic basalt columns — 18", 24", and 30" heights — each hand-carved with a bowl-shaped polished top. Water emerges from the center drill hole, pools in the smooth bowl, then overflows down the raw natural sides of each column into the surrounding pebble bed. This complete kit includes the Achelous Fountain Basin (51.5" diameter × 16" high), 1,495 GPH Mag-Drive pump, kink-free tubing with flow control valve, and 200 lbs of polished pebbles in your choice of color.
What's Included — ABBC500 Triple Bowled Polished Top Kit
Basalt Columns
- Three (3) natural basalt columns — bowled polished tops, raw natural sides
- Heights: 18" | 24" | 30"
- Diameter: approx. 8"–10" per column (natural variation)
- Weight: approx. 5 lbs per inch of height
- Each column is one-of-a-kind — no two identical
Basin & Pump
- Achelous Fountain Basin — 51.5" diameter × 16" high
- 1,495 GPH Mag-Drive pump (pre-matched to 18"–24"–30" lift heights)
Plumbing
- Kink-free tubing with quick disconnects
- 3-way independent flow control valve
- Individual ball valves for each column
- All required fittings
Pebbles
- 200 lbs polished pebbles (included)
- Choice of: Black (default), Mixed, Striped, or White
- Specify color preference in Order Instructions at checkout
Technical Specifications
| Specification | Detail |
|---|---|
| SKU | ABBC500 |
| Configuration | Short Kit — 18" | 24" | 30" columns |
| Column Finish | Bowl-shaped polished top — raw natural sides |
| Column Diameter | Approx. 8"–10" per column (natural variation) |
| Column Weight | Approx. 5 lbs/inch — 30" ≈ 150 lbs | 24" ≈ 120 lbs | 18" ≈ 90 lbs |
| Total Stone Weight | Approx. 360 lbs (three columns combined) |
| Material | Real natural basalt — volcanic stone |
| Basin | Achelous Fountain Basin — 51.5" diameter × 16" high |
| Pump | 1,495 GPH Mag-Drive (pre-matched) |
| Plumbing | Kink-free tubing | quick disconnects | 3-way flow control valve | ball valves | fittings |
| Pebbles | 200 lbs — Black, Mixed, Striped, or White (choice at checkout) |
| Total Installed Weight | Approx. 560+ lbs (stone + basin + pebbles) |
| Water Effect | Water pools in polished bowl, overflows in all directions down raw stone sides |
| Country of Origin | Made in USA — family-run Midwest operation |
ABBC500 vs. ABBC525 — Size Comparison
| SKU | Configuration | Heights | Pump | Pebbles |
|---|---|---|---|---|
| ABBC500 ← | Short Kit | 18" | 24" | 30" | 1,495 GPH Mag-Drive | 200 lbs included |
| ABBC525 | Tall Kit | 24" | 30" | 36" | 1,980 GPH Mag-Drive | 200 lbs included |
Blue Thumb Real Basalt Finish Comparison
| SKU | Finish | Heights (Short) | Water Behavior | Pebbles |
|---|---|---|---|---|
| ABBC100 | Rustic (fully unpolished) | 18" | 24" | 30" | Disperses immediately over rough surface | 200 lbs included |
| ABBC200 | Flat polished top | 18" | 24" | 30" (verify) | Thin sheet flows immediately off edge | 200 lbs included |
| ABBC500 ← | Bowl-shaped polished top | 18" | 24" | 30" | Pools in bowl, overflows in all directions | 200 lbs included |
Why the ABBC500 Bowled Polished Top?
- The bowl top creates a unique pooling-and-overflow water effect. Unlike flat-top columns where water immediately sheets off the edge, the ABBC500's hand-carved bowl creates a small natural reservoir at the top of each column. Water emerges from the central drill hole, fills the bowl for a moment, and then overflows simultaneously in all directions over the polished rim and down the raw natural sides. The effect is more dramatic — a fuller, richer cascade — and more audible than flat-top or rustic columns at the same pump setting.
- The polished bowl interior reveals the crystalline black core of the basalt. Basalt's exterior crust ranges from beige to red to black in natural patina. The interior of a basalt column is consistently deep black and polishes to a high luster. The bowled top exposes and polishes this interior core — the contrast between the dark polished bowl filled with water and the lighter natural exterior sides creates a striking visual. The wet polished surface reflects light uniquely throughout the day as the sun angle changes.
- Real volcanic stone — sourced directly from quarries worldwide. Blue Thumb works directly with quarries to supply high-quality basalt columns for their fountains, then hand-carves, drills, and polishes each piece. No two columns are identical in color, texture, or veining. The natural patina variation — the result of how the basalt cooled in the lava flow — means every ABBC500 kit is a genuinely unique installation.
- ~360 lbs of stone — weight means permanence. At approximately 5 lbs per inch of height, the 30" column weighs about 150 lbs, the 24" approximately 120 lbs, and the 18" approximately 90 lbs. The combined stone weight of approximately 360 lbs means these columns will not shift in wind, flood, or normal garden maintenance — no anchoring required after initial placement. Plan for two-person installation and appropriate equipment for the 30" column.
- 3-way independent flow control — tune each column separately. The included 3-way flow control valve with individual ball valves for each column lets you set different bowl-fill rates for each height. The 30" column needs the most pump head; the 18" needs the least. Balancing the three valves allows you to achieve a consistent visual bowl level across all three columns simultaneously, or deliberately vary it for a natural-looking asymmetry.
- 1,495 GPH Mag-Drive pump — matched to 18"–30" lift heights. The pump selected for the ABBC500 Short Kit delivers 1,495 GPH — matched by Blue Thumb to the maximum lift height (30") of the Short Kit configuration. The Tall Kit (ABBC525, 24"–30"–36") uses a 1,980 GPH pump for the additional head height. Purchasing the correct kit size ensures the pump and columns are matched for optimal performance without buyer configuration required.
Frequently Asked Questions
What are the exact heights of the columns in the ABBC500?
The ABBC500 is the Short Kit of Blue Thumb's Triple Bowled Polished Top Basalt series. It includes three natural basalt columns at heights of 18 inches, 24 inches, and 30 inches. Confirmed by outdoorfountainpros.com, webbsonline.com, and theblissfulplace.com. Each column is approximately 8"–10" in diameter (natural variation — no two identical). If you need taller columns, the ABBC525 Tall Kit (24", 30", 36") is also available — call us: (765) 508-4352.
What is included in the ABBC500 kit?
The complete ABBC500 kit includes: three natural basalt columns with bowled polished tops (18", 24", 30"), Achelous Fountain Basin (51.5" diameter × 16" high), 1,495 GPH Mag-Drive pump, kink-free tubing with quick disconnects, 3-way independent flow control valve, individual ball valves for each column, all required fittings, and 200 lbs of polished pebbles. Pebble color options: Black Polished (default), Mixed Polished, Striped, or White — specify at checkout.
How does the bowled top differ from a flat polished top (like the ABBC200)?
The ABBC500's bowl-shaped top creates a small natural pool at the crown of each column. Water fills the bowl before overflowing in all directions over the rim, cascading simultaneously down all sides of the column. This creates a fuller, more surround-sound cascade and a visible pooling effect that is especially striking in sunlight.
The ABBC200's flat polished top is essentially a level surface — water immediately sheets off the edge in whatever direction it flows, without pooling. The flat top creates a contemporary, architectural water sheet effect. The bowl top creates a more naturalistic overflow that mimics a spring emerging from rock.
Are pebbles included, and can I choose the color?
Yes — 200 lbs of polished pebbles are included standard with the ABBC500. Pebble color options: Black Polished (default), Mixed Polished, Striped, or White. Specify your preference in the Order Instructions at checkout, or call us before ordering: (765) 508-4352. If no preference is stated, the kit ships with Black Polished pebbles.
How do I winterize the ABBC500 in a cold climate?
For climates with prolonged below-freezing temperatures:
- Turn off and remove the 1,495 GPH Mag-Drive pump. For a Mag-Drive pump: simply clean it, dry it, and store it indoors in a frost-free location. No water storage bucket is needed — Mag-Drive pumps use magnetic impeller technology with no oil-filled seals that require moisture to prevent cracking.
- Do NOT drain the Achelous basin. Leave the water in the basin over winter. The water freezing in place anchors the basin in the ground — draining it allows frost heave to push the basin upward out of the soil, which can crack the basin or displace your installation.
- The basalt columns can remain outdoors year-round. Clear any standing water from the bowled tops before a hard freeze to prevent ice expansion from cracking the polished bowl edge over repeated freeze-thaw cycles.
Can I adjust the water flow to each column independently?
Yes. The ABBC500 includes a 3-way independent flow control valve with separate ball valves for each of the three columns. You can control the fill rate of each bowl independently — running the 30" column at full flow while reducing the 18" column creates different visual bowl depths across the three stones simultaneously. This lets you tune the acoustic profile and visual appearance of the fountain to match your preference and the ambient noise level of your outdoor space.
Is the ABBC500 available in a larger size?
Yes — the ABBC525 Tall Kit features the same bowled polished top finish with taller columns: 24", 30", and 36" heights, paired with a larger 1,980 GPH Mag-Drive pump for the additional lift height. Both kits use the same Achelous Fountain Basin and include 200 lbs of pebbles. Call us to discuss which size is right for your installation: (765) 508-4352.
Why Buy From Pond Pro Direct?
- Authorized Blue Thumb dealer — full manufacturer warranty applies to the ABBC500.
- Full Blue Thumb real stone basalt lineup — rustic (ABBC100), flat polished top (ABBC200), bowled polished top (ABBC500 Short / ABBC525 Tall), plus GFRC lightweight alternatives. Call to compare: (765) 508-4352.
- Pebble color selection — call before ordering to discuss which color best suits your landscape design.
- Price Match Guarantee — beat any lower authorized dealer price by $50 on orders over $2,000.
- Free nationwide shipping. Ships motor freight. 30-day return period. Call or text (765) 508-4352, Mon–Fri 9 AM–5 PM EST.
Blue Thumb ABBC500 Triple Bowled Polished Top Basalt Fountain Kit (Short Kit): three real natural basalt columns (18", 24", 30") with hand-carved polished bowled tops and raw natural sides — Achelous Fountain Basin (51.5"×16"), 1,495 GPH Mag-Drive pump, kink-free tubing with 3-way independent flow control, 200 lbs polished pebbles (choice of Black, Mixed, Striped, or White). Total stone weight approx. 360 lbs. Made in USA.
Need the Tall Kit (24"–30"–36", ABBC525)? Prefer flat polished tops (ABBC200) or rustic (ABBC100)? Or want a lightweight GFRC alternative (LA7475)? Call or text (765) 508-4352 — Monday through Friday, 9 AM to 5 PM EST.
Price Match
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Returns & Refunds
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Once an order has shipped or entered fulfillment, it may no longer be eligible for cancellation. If you no longer wish to keep the item, you must wait until delivery and then request a return.
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Custom or Made-to-Order Items
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Returns & Refunds
Returns are subject to the following conditions:
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Fees & Shipping Costs
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