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GreenSwirl™ granules
GreenSwirl™ · Drain opener · Sodium bisulphate

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 bisulphate based — no caustic soda.

€7.99 · VAT included
Price excluding VAT: €7.19
In stock · dispatched from our Croatian warehouse · 5–8 working days to Ireland
Need a formal quote, volume pricing, or delivery to several sites?Request a quote →

Price includes VAT. Delivery to Ireland is calculated in the cart from weight and item count, and shown before you pay. Businesses with a valid VIES VAT number are invoiced without VAT under the reverse charge.

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

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Why GreenSwirl™

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

EffectivenessUp to 4× more effective than conventional drain openers — manufacturer laboratory testing
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 is it used?

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

Step 1
Empty a sachet
Pour one 233 g sachet into the drain.
Step 2
Add boiling water
Add a cup of boiling water.
Step 3
Leave to work
Leave at least 30 min, ideally overnight.
Step 4
Rinse
Flush with plenty of hot water. Prevention: 1 sachet a month.
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 sulphate (sodium bisulphate)
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