Slow drain? Most cleaners mask the problem.
Ours eats it.
Caustic drain cleaners burn through clogs then stop working the moment they're rinsed away. DRAINZAP uses a powerful, scientifically formulated clean chemical solution that dissolves hair, grease and food waste within hours — without burning pipes or harming the environment.
| DRAINZAP | Drano | Domestos | Simple Green | |
|---|---|---|---|---|
| Dissolves hair & grease | ✓ | ✓ | ✕ | ~ |
| Safe for pipes & plumbing | ✓ | ✕ | ✓ | ✓ |
| No caustic chemicals | ✓ | ✕ | ✕ | ✓ |
| Safe for pipes long-term | ✓ | ✕ | ✕ | ✓ |
| Safe around kids & pets | ✓ | ✕ | ✕ | ~ |
| Australian made | ✓ | ✕ | ✕ | ✕ |
| DRAINZAP | Drano / conventional | Simple Green (eco) | |
|---|---|---|---|
| Technology | Scientifically formulated clean chemical solution. Dissolves hair, grease, slime & food waste within hours. No caustic soda, no bleach, no harsh acids. category monopoly |
Sodium hydroxide (lye) or acid-based. One-time chemical reaction, no ongoing action. | Biodegradable surfactant degreaser — not a dedicated drain solution. |
| Key ingredients | Biodegradable surfactants and scientifically formulated cleaning agents — no chlorine, no caustic soda, no lye | Sodium hydroxide, bleach, or sulphuric acid depending on variant | Biodegradable surfactants, chelators — no bleach but no probiotic action |
| Eco credentials | Chlorine-free, no caustic chemicals, biodegradable, made in Sydney, Australia Thrive wins |
Not eco-certified. Heavy chemicals harmful to aquatic systems. | Biodegradable, non-toxic certified — but US-manufactured |
| Performance claim | Clears blocked drains & eliminates odours at source. Fast-acting formula dissolves organic matter within hours. Thrive wins |
Fast chemical reaction clears clogs — no ongoing action, odour returns | General degreasing only — cannot clear blockages without physical removal |
| Price (AUD RRP) | $32.55 AUD ($5.42 per drain) DTC only — retail coming |
~$8–$15 at supermarkets & hardware | ~$10–$18 at Bunnings |
| Safe for pipes | Yes — no corrosive chemicals, safe for PVC, copper and older plumbing Thrive wins |
No — sodium hydroxide degrades rubber seals and older pipes over time | Yes — surfactant-based, no corrosive action |
No competitors
No major eco brand makes a dedicated drain cleaner in AU — DRAINZAP is the only dedicated eco drain cleaner on the market.
Safe to touch
No chlorine or caustic soda. Pour and walk away — no gloves, no ventilation required.
Fast-acting formula
Scientifically formulated to dissolve hair, grease and organic buildup within hours — results you can see.
Free shipping over $100 · 30-day guarantee
Mould comes back because most sprays can't kill the root.
Bleach-based mould sprays remove surface stains but leave spores behind — which is why mould returns within weeks. MOULDZAP's chlorine-free oxygen formula eliminates mould at root level, prevents regrowth, and even turns blue so you know it's working.
| MOULDZAP | Exit Mould | White King | Simple Green | |
|---|---|---|---|---|
| Eliminates mould at root | ✓ | ~ | ~ | ~ |
| Prevents regrowth | ✓ | ✕ | ✕ | ~ |
| Chlorine-free formula | ✓ | ✕ | ✕ | ✓ |
| Safe in kids' rooms | ✓ | ✕ | ✕ | ~ |
| Visual activation cue | ✓ | ✕ | ✕ | ✕ |
| No scrubbing required | ✓ | ✕ | ✕ | ✕ |
| MOULDZAP | Exit Mould / White King | Simple Green (eco) | |
|---|---|---|---|
| Technology | Pioneering chlorine-free oxygen-based sachet formula. Activates blue in water, clears when ready. No scrubbing required. Eliminates mould + prevents regrowth. unique globally |
Sodium hypochlorite (bleach). Removes surface stain but doesn't penetrate spore structure — regrowth common within weeks. | Oxygen-based bleach alternative — closest comparable eco product, but no colour-activation or regrowth prevention claim. |
| Key ingredients | Oxygen-based proprietary formula — no chlorine, no bleach. Safe for hard and soft surfaces. | Sodium hypochlorite (bleach) — corrosive, requires ventilation, harmful if ingested or inhaled | Hydrogen peroxide variants, no chlorine — biodegradable but US-manufactured |
| Performance claim | Eliminates mould, spores & stains without scrubbing. 15-min contact time. Up to 7 days efficacy after mixing. Prevents regrowth. Thrive wins |
Fast stain removal — but surface treatment only. No regrowth prevention. Odour of bleach. | Removes mould/mildew stains and inhibits outdoor regrowth — limited data on indoor prevention. |
| Safe environments | Schools, childcare, aged care, homes — no fumes, no protective equipment needed Thrive wins |
Adults only in well-ventilated areas — not suitable for schools or childcare | Safer than bleach, but some formulas still require ventilation |
| Price (AUD RRP) | $29.99 AUD ($9.99 per bottle, 3 per pack) DTC only — retail coming |
~$6–$12 at Woolworths / Coles / Bunnings | ~$10–$18 at Bunnings |
| Eco credentials | Chlorine-free, non-toxic, biodegradable, safe for sensitive environments, Australian-made | Not eco-certified. Bleach-based products are harmful to aquatic environments. | Biodegradable, non-toxic — US-manufactured, no AU eco certification |
Turns blue — you know it's working
No other product gives you a visual confirmation. Formula turns blue on activation and clears when ready to rinse.
Prevents regrowth
Oxygen-based formula disrupts the spore structure — not just the visible stain. Up to 7 days residual protection.
Safe for sensitive spaces
No chlorine fumes. Used in schools, aged care and childcare facilities where bleach is prohibited.
Free shipping over $100 · 30-day guarantee
You clean the bench. An hour later it doesn't feel clean.
Standard sprays kill surface bacteria in the moment — then stop. MULTIZAP keeps working long after you've wiped, preventing build-up and odours across every surface. pH neutral, family safe, and powered by nature's science.
| Thrive MPC | Koh | Method | Ecostore | |
|---|---|---|---|---|
| Keeps working after wiping | ✓ | ✕ | ✕ | ✕ |
| pH neutral (all surfaces) | ✓ | ✕ | ✓ | ✓ |
| No harsh chemicals | ✓ | ~ | ✓ | ✓ |
| Probiotic / enzyme formula | ✓ | ✕ | ✕ | ✕ |
| Australian made | ✓ | ✓ | ✕ | ✕ |
| Safe for stone & wood | ✓ | ✕ | ~ | ~ |
| Thrive MPC | Koh (AU) | Method / Ecostore | |
|---|---|---|---|
| Technology | pH-neutral probiotic multi-surface formula. Removes grime & odours, continues working after wiping — no competitor does this. MULTIZAP differentiator |
2-ingredient potassium hydroxide formula — CHOICE Recommended & Canstar Blue #1. Strong 3rd-party validation but alkaline (not pH neutral). | Plant-based citric acid or glucoside formulas. Eco credentials strong — BCorp (Method), carbon neutral (Ecostore) — but no biological action. |
| Key ingredients | Probiotics, biodegradable surfactants, enzymes — pH neutral, no harsh chemicals | Potassium hydroxide + purified water ONLY — radical transparency but alkaline, not pH neutral | Citric acid, lauryl/decyl glucoside, plant-based fragrance — no probiotic action |
| Performance claim | Deep clean + long-lasting biological action on all hard surfaces. Removes grime & odours at source between cleans. Thrive wins |
CHOICE Recommended (90% expert rating) — strongest 3rd-party validation in category. Cleans well but stops working immediately. | Kills 99.9% germs (Method), independently tested antibacterial (Ecostore) — but single-application only. |
| Eco credentials | Australian-made, biodegradable, no harsh chemicals GECA certification in progress |
GECA eco-certified, Sensitive Choice approved, Australian-made — strongest certifications in category | Method: BCorp + Leaping Bunny. Ecostore: carbon neutral, Enviro-Mark Diamond. |
| Price (AUD RRP) | ~$15–$25 DTC online value story needed vs supermarket prices |
~$26–$40 (2L, koh.com / Woolworths) — premium but lasts months | Method: $7–$10 · Ecostore: $5–$8 — both at Woolworths/Coles |
| Retail availability | DTC + B2B online only Woolworths/Coles ranging is priority target |
DTC + Woolworths — growing retail presence | Woolworths, Coles, Chemist Warehouse — widest eco coverage in AU |
Cleans between cleans
The probiotic formula keeps working on surfaces long after you've wiped — breaking down odour-causing residue between cleans.
All-surface safe
pH neutral formula means zero risk on stone, marble, timber or coated benchtops where alkaline cleaners cause damage.
Less plastic, less waste
Granular sachet format — dissolve as you go, no bulky bottle to ship or store.
Free shipping over $100 · 30-day guarantee
Limescale and odour keep returning because most cleaners only treat the surface.
Bleach-based toilet cleaners kill surface bacteria but don't touch uric scale — the crystallised mineral deposit that causes persistent odour. Thrive's Toilet Cleaner combines daily cleaning with biological descaling, and keeps working between flushes.
| Thrive Toilet | Harpic | Ecostore | Koh Tablet | |
|---|---|---|---|---|
| Daily cleaning | ✓ | ✓ | ✓ | ✓ |
| Removes uric scale | ✓ | ~ | ✕ | ~ |
| Keeps working between flushes | ✓ | ✕ | ✕ | ✕ |
| No bleach or chlorine | ✓ | ✕ | ✓ | ✓ |
| Septic tank safe | ✓ | ✕ | ✓ | ✓ |
| Australian made | ✓ | ✕ | ✕ | ✓ |
| Thrive Toilet Cleaner | Harpic / conventional | Ecostore / Koh (eco) | |
|---|---|---|---|
| Technology | Probiotic enzyme formula — dual function: daily cleaner AND heavy-duty descaler. Biological action continues post-application. Category-first. industry first |
Citric acid or hydrochloric acid — removes limescale via chemical reaction. One-time hit, no ongoing action. | Ecostore: citric acid + plant surfactants. Koh: enzyme tablet. Both eco-certified but no uric scale claim or ongoing biological action. |
| Key ingredients | Live probiotics, enzymes, biodegradable surfactants — no bleach, no chlorine, no harsh acids | Hydrochloric acid or citric acid, bleach variants — corrosive, harmful if misused | Ecostore: Citric Acid, Lauryl/Decyl Glucoside, Eucalyptus oil. Koh: enzyme blend, stabilisers, Vitamin E — no bleach |
| Performance claim | Daily cleaning + heavy-duty descaling. Eliminates uric scale & stubborn odours at microbial level. Keeps working between cleans. Thrive wins |
Fast limescale removal — effective but stops immediately. Odour returns quickly as no biological component. | Removes mineral stains (Koh, GECA-verified). Kills E.coli, Staphylococcus (Ecostore, independently tested). Neither claims uric scale action. |
| Eco credentials | No chlorine/bleach, probiotic-based, biodegradable, Australian-made GECA certification in progress |
Not eco-certified — acid-based, harmful to waterways and aquatic life | Ecostore: carbon neutral, greywater safe, Enviro-Mark Diamond. Koh: GECA, Sensitive Choice — strongest eco certifications in category. |
| Price (AUD RRP) | $26.95 AUD ($8.98 per bottle, 3 per pack) DTC only — retail coming |
~$5–$10 at Woolworths / Coles — strong retail availability | Ecostore: $6–$9 · Koh: $15–$22 tablets — both at Woolworths |
| Certifications | Australian-made, biodegradable, no harmful chemicals | None eco-relevant | Ecostore: carbon neutral, greywater safe. Koh: GECA, Sensitive Choice, Australian-made. |
Tackles uric scale biologically
Enzyme action dissolves the crystallised mineral deposits that cause persistent odour — not just the visible stain.
Replaces two products
One sachet does the job of a daily cleaner and a heavy-duty descaler — simpler routine, lower spend over time.
Safe for the whole household
No bleach, no harsh acids. Septic-safe, greywater-safe, pet-safe.
Free shipping over $100 · 30-day guarantee
Scale and stains below the waterline that no brush can reach.
Standard toilet cleaners tackle what's visible above the waterline — but uric scale and mineral staining below the rim and beneath the water surface need a different approach. TOILETZAP targets those hard-to-reach deposits without corrosive acids.
| TOILETZAP | Harpic Active | Ecostore | Koh Tablet | |
|---|---|---|---|---|
| Removes below-waterline scale | ✓ | ~ | ✕ | ~ |
| No corrosive acids | ✓ | ✕ | ✓ | ✓ |
| Restores shine without scrubbing | ✓ | ~ | ✕ | ✓ |
| Pipe & septic safe | ✓ | ✕ | ✓ | ✓ |
| Ongoing biological action | ✓ | ✕ | ✕ | ✕ |
| Australian made | ✓ | ✕ | ✕ | ✓ |
| TOILETZAP | Harpic / acid-based | Ecostore / Koh (eco) | |
|---|---|---|---|
| Technology | Probiotic enzyme formula targeting scale and stains below the waterline. Removes mineral deposits and restores shine without corrosive acids. below-waterline specialist |
Hydrochloric or phosphoric acid — effective at dissolving scale but corrosive, harmful to pipes over time and dangerous if misused. | Citric acid (Ecostore) or enzyme tablet (Koh) — eco-friendly but limited penetration below the waterline. No ongoing biological action. |
| Key ingredients | Live probiotics, enzymes, biodegradable surfactants — no bleach, no hydrochloric acid, no phosphoric acid | HCl or phosphoric acid — requires careful handling, harmful to skin and eyes | Citric acid or enzyme blend — mild and eco-friendly but lacks probiotic ongoing action |
| Performance claim | Removes scale + stains below the water line. Restores shine without scrubbing. Biological action continues working post-application. Thrive wins |
Fast, effective descaling — but stops immediately, requires regular reapplication. Damages pipes and seals with repeated use. | Good for maintenance cleaning — but not strong enough for established below-waterline mineral deposits. |
| Safety | Biodegradable, pipe safe, septic safe, greywater safe — no protective equipment needed Thrive wins |
Corrosive — requires gloves and ventilation. Not suitable for use around children or pets. | Safe to use — eco-certified (Ecostore: carbon neutral; Koh: GECA, Sensitive Choice) |
| Price (AUD RRP) | $25.99 AUD ($12.99 per toilet, 2 per pack) DTC only — retail coming |
~$5–$10 at Woolworths / Coles — strong shelf presence | Ecostore: $6–$9 · Koh: $15–$22 — both at Woolworths |
| Eco credentials | Australian-made, biodegradable, no harmful chemicals GECA certification in progress |
Not eco-certified. Acid-based, harmful to aquatic environments. | Ecostore: carbon neutral, greywater safe, Enviro-Mark Diamond. Koh: GECA, Sensitive Choice. |
Reaches below the waterline
Specifically formulated to penetrate and dissolve scale and staining in the areas that are hardest to physically clean.
No corrosive acids
Biological enzyme action does the work — no hydrochloric acid, no pipe damage, no safety risk with regular use.
Keeps working after flushing
Probiotics continue breaking down residual scale deposits between applications — less frequent treatment needed over time.
Free shipping over $100 · 30-day guarantee