Skip to main content
Home/ Shop/ GreenSwirl™
GreenSwirl™ · Drain opener · Sodium bisulfate

GreenSwirl™
4× stronger than chemicals.

2 sachets × 233 g (466 g) · SKU GS-466

GreenSwirl™ are pre-dosed mineral granules for unclogging and cleaning drains — up to 4× more effective than traditional drain openers (manufacturer's laboratory testing). Sodium bisulfate based — no caustic soda.

€7.99 · VAT included
Price excluding VAT: €7.19
Checking availability… · 5–8 business days delivery to Ireland and the UK
Need a formal quote, volume pricing, or delivery to several sites?Request a quote →

Price includes Croatian VAT (25%). Companies receive a proper invoice with VAT charged — Croatian VAT cannot be waived for domestic buyers. Businesses in other EU member states that enter a valid VIES VAT number at checkout are invoiced without VAT under the reverse charge. Delivery is calculated in the cart from destination, weight and item count, and shown before you pay — we ship to Croatia, the whole EU, Bosnia and Herzegovina, Serbia and Montenegro. Croatian orders choose standard (2–4 working days) or express (1–2 days).

VAT-exempt intra-EU invoice (Art. 138)For businesses
Phosphate & chlorine-freeSGS testedSeptic-compatibleSKU GS-466

Why GreenSwirl™

Pre-dosed mineral granules that clear and clean drains without harsh chemistry.

Effectiveness4× more effective than traditional cleaners — SGS verified
Pre-dosed2 sachets × 233 g (466 g) — no measuring or spillage
Pipe-safeDoes not damage pipes — recommended by plumbers
Septic-compatiblePreserves useful bacteria in septic tanks
Works onAll drains: shower, bath, sink, kitchen, WC, floor drain
Phosphates & chlorineNone

How to use.

Simple, pre-dosed sachets — no measuring, no spillage.

GHS05 — causes serious eye damage
Labelling under Regulation (EC) 1272/2008 (CLP)
Danger

H318 — Causes serious eye damage. Contains sodium hydrogen sulphate.

  • P280 Wear protective gloves / eye protection.
  • P305+P351+P338+P310 IF IN EYES: rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
  • P101 If medical advice is needed, have product container or label at hand.
  • P102 Keep out of reach of children.

Contains sodium hydrogen sulphate (60–<100%). pH (20 °C) ≈ 2. UFI: A300-W0XJ-C00P-GDAA. Not classified as dangerous goods for transport (ADR/RID/IMDG/IATA). Download the safety data sheet (PDF) →

Emergency: National Poisons Information Centre (Ireland) +353 1 809 2166 (8 a.m.–10 p.m., 7 days) · NHS 111 (UK).

Technical specification

Granulate for drain cleaning and unclogging.

FormGranulate
pH~2
Density2.74 g/cm³
Active ingredientSodium hydrogen sulfate (sodium bisulfate)
TransportNot hazardous for transport (ADR/IMDG)
Packaging2 sachets × 233 g (466 g total)

Keep drains clear.

One sachet a month prevents build-up and odour. Explore the rest of the Green Flow range.

Learn more → All products