eSUN PLA+ Black 1.75 mm, 3 kg Spool: problems, parts and running costs

Checked: 2026-10-29

Summary

Owners report PLA+ feed filament snapping before the extruder and pervasive stringing, especially on humid black material; drying at 50°C for 8-12 hours and color-specific temperature tuning are the usual fixes. A single 3 kg spool costs about $14.33/kg on the unavailable eSUN US display or $20.66/kg on the available eBay listing, with no subscription or electricity charge.

Common problems and fixes

Feed filament brittleness — owners on r/3Dprinting report PLA+ snapping between spool and printer on separate rolls while printed parts stay sound; another owner reports aged black PLA+ snapping near the end of a spool. Drying at 50°C for 8-12 hours and avoiding sharp bends in the feed path are the usual workarounds; no documented defect rate or warranty claim outcome. [9][10][21]
Stringing and surface fuzz — owners report pervasive PLA+ stringing across several printers; humidity, color-specific temperature and retraction settings matter, and black PLA+ showed markedly cleaner details after eight hours of drying at the same slicer settings. Fixes: temperature tower, dryer check, retraction and flow tuning, reasonable speed and cooling. [8][20][21]
No fit in original Bambu AMS — the 270 × 104 mm reel exceeds the AMS limits of 197-202 mm diameter and 50-68 mm width, so it must feed from an external holder or be respooled; this is a size limit, not a calibration issue. [12][16]
Color and lot variation — owners report black and orange PLA+ behaving differently under comparable settings, and a retailer cautions slight color differences between production lots; color-specific calibration is prudent on arrival. [20][22]

Parts and consumables

1.75 mm black eSUN PLA+ filament (PLA+175B3B1, EAN 6922572240018) — primary consumable, 3000 g per spool; replenishment is by spool at about $42.99 advertised unavailable or $61.98 available, roughly $0.0143-$0.0207 per gram before shipping and tax. [2][3][6]
Vacuum storage bag or desiccant — unopened PLA+ ships vacuum-sealed; store cool and dry; no verified kit fitting 270 × 104 mm found; replace when damaged or saturated. [2][3]
Printer nozzle, build plate and feed fittings — standard wear parts; this non-abrasive PLA+ needs no proprietary nozzle and no eSUN-specific wear interval is given. [1][19]
Spool is not a refill — eSUN sells separate spoolless refill and 1 kg reusable-spool adapters; the 3 kg product is not a refill. [3][15]

Yearly running cost

Material only: at 3000 g, raw cost is $14.33/kg on the unavailable direct $42.99 display or $20.66/kg on the available $61.98 listing, before shipping and tax. A 150 g print uses about $2.15 at the unavailable display value or $3.10 at the $61.98 listing; at the nominal $15.99/kg on separate 1 kg rolls it would be $2.40. There is no spool-specific electricity charge or subscription; printer electricity, wear, labor, dryer electricity and failed-print material are separate expenses. Drying energy depends on dryer power and cycle, and no measured wattage with this specific reel was checked. Actual useful part cost is higher once failed prints, purge, brims, supports and leftover length count. Not enough data for a single annual figure for a typical owner.

When it is a good buy

eSUN US official store, exact 3 kg spool: $42.99 advertised ($68.97 comparison), black selectable but 0 in stock; $14.33/kg reference only; with the store’s $5.99 US shipping a hypothetical $42.99 order would be $48.98, but it is not order-ready. [3]
eBay listing from an eSUN-named store, item 407110040197: $61.98 with free shipping, 10 available, new from Los Angeles; $20.66/kg; confirm the title’s “High Speed Big Bundle” means regular PLA+ on one 3 kg spool, not PLA+HS. [6]
eBay second selector, item 407115995232: $62.39 with volume discounts, but black explicitly out of stock. [7]
3DJake International exact black 3 kg: $46.38 ($15.46/kg) for PLA+175B3B1, EAN 6922572240018, in stock, before delivery and import fees; not verified as a final US landed price. [2]
Three separate 1 kg eSUN PLA+ rolls: nominal $15.99 each, $47.97 for 3 kg at promotional pricing, also showing zero US stock when checked. [11]
Editorial targets: $38-42 new for 3 kg is outstanding with working delivery and a suitable external holder; $43-49 delivered is solid; $50-55 delivered is reasonable only if avoiding roll swaps matters; above $60 the 3 kg roll is hard to justify on cost alone. [2][3][6][11]

[11][18][19]