{"product_id":"aquasonic-algaecide","title":"Aquasonic Algaecide","description":"\u003cp\u003e\u003cstrong\u003eAlgae control measured in millilitres, with results visible inside a week.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAquasonic Algaecide is an Australian-made liquid algae treatment for freshwater aquariums, containing 15 g\/L simazine. It is dosed at 1 mL per 20 litres of aquarium water and Aquasonic states results should be evident after seven days. This is a herbicide-class active, which is what makes it broad and also what makes accurate dosing non-negotiable.\u003c\/p\u003e\n\n\u003ch3\u003eActive constituent\u003c\/h3\u003e\n\u003cp\u003eTranscribed from the Aquasonic label.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eActive constituent\u003c\/th\u003e\n\u003ctd\u003e15 g\/L simazine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClass\u003c\/th\u003e\n\u003ctd\u003eTriazine herbicide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eLiquid suspension — shake vigorously before each application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMade in\u003c\/th\u003e\n\u003ctd\u003eAustralia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSimazine works on the photosynthetic pathway, which is why it acts across many algae types rather than one. It is also why the margin between a working dose and a dose that damages your higher plants is a matter of measurement, not luck.\u003c\/p\u003e\n\n\u003ch3\u003eDosage and directions\u003c\/h3\u003e\n\u003cp\u003eFollow the Aquasonic label. Do not estimate the tank volume — measure it.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDose rate\u003c\/th\u003e\n\u003ctd\u003e1 mL (20 drops) per 20 litres of aquarium water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBefore dosing\u003c\/th\u003e\n\u003ctd\u003eShake the bottle vigorously\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDuring treatment\u003c\/th\u003e\n\u003ctd\u003eMaintain aeration and filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTime to result\u003c\/th\u003e\n\u003ctd\u003eResults should be evident after 7 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRepeat\u003c\/th\u003e\n\u003ctd\u003eMay be repeated after 14 days if necessary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIf algae persists\u003c\/th\u003e\n\u003ctd\u003eDecrease light exposure and increase the frequency of water changes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWorking out your actual water volume\u003c\/h4\u003e\n\u003cp\u003eAquasonic publishes the calculation on the label: length x width x water level height, all in centimetres, divided by 1000, gives litres. Use the water level height, not the tank height. Then subtract for substrate, rock and hardscape. A nominal 200 litre tank with a deep substrate and a decent aquascape frequently holds closer to 160 litres of water, and dosing it as 200 is a 25 per cent overdose.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eLiquid algaecide for freshwater aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eActive constituent\u003c\/th\u003e\n\u003ctd\u003e15 g\/L simazine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDose rate\u003c\/th\u003e\n\u003ctd\u003e1 mL per 20 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRepeat interval\u003c\/th\u003e\n\u003ctd\u003e14 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInvertebrates\u003c\/th\u003e\n\u003ctd\u003eNot for use in tanks holding shrimp or other invertebrates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSizes\u003c\/th\u003e\n\u003ctd\u003e100 mL, 250 mL and 1 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of manufacture\u003c\/th\u003e\n\u003ctd\u003eAustralia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhich size do I need?\u003c\/h3\u003e\n\u003cp\u003eAll three bottles are the same formulation at the same 1 mL per 20 L dose rate. Only the yield differs.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eTreats\u003c\/th\u003e\n\u003cth\u003eFull doses for a 200 L tank\u003c\/th\u003e\n\u003cth\u003eSuits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100 mL\u003c\/td\u003e\n\u003ctd\u003e2,000 litres of aquarium water\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eA single nano or community tank, or a first trial before committing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 mL\u003c\/td\u003e\n\u003ctd\u003e5,000 litres of aquarium water\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003eOne or two display tanks treated occasionally over a season\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 L\u003c\/td\u003e\n\u003ctd\u003e20,000 litres of aquarium water\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003eFish rooms, breeding racks and retail or club setups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eA bottle this size lasts years in a single-tank household. Buy for the tank you have rather than the discount, and note that the smaller bottle is easier to shake properly — which matters more here than it sounds, because an unshaken suspension doses unevenly.\u003c\/p\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFreshwater community aquariums with persistent green algae on glass, rock and ornaments\u003c\/li\u003e\n\u003cli\u003eFish-only setups with no live plants and no invertebrates\u003c\/li\u003e\n\u003cli\u003eTanks where light reduction and water changes alone have not cleared the problem\u003c\/li\u003e\n\u003cli\u003eKeepers willing to measure the real water volume before dosing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShrimp tanks and any aquarium holding invertebrates.\u003c\/strong\u003e This is the firmest exclusion on the page.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavily planted aquascapes.\u003c\/strong\u003e Simazine is a herbicide. Aquasonic states it will not affect aquarium plants at the correct dose, and equally states that overdosing may cause plant damage — so a planted tank has no margin for a volume estimate that is out by a fifth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine aquariums.\u003c\/strong\u003e The Aquasonic label covers freshwater aquarium use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquariums holding fish intended for human consumption.\u003c\/strong\u003e Stated on the label.\u003c\/li\u003e\n\u003cli\u003eGreen water and free-floating algal blooms in a pond — this listing is the aquarium product\u003c\/li\u003e\n\u003cli\u003eTreating the cause. Algae is a symptom of light and nutrients, and this does not change either\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not overdose.\u003c\/strong\u003e Aquasonic states plant damage may result. Measure the water volume, then dose to that figure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain aeration and filtration throughout.\u003c\/strong\u003e Dying algae consumes oxygen as it breaks down, and a tank that was already marginal overnight can become more so.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not use in aquariums containing fish intended for human consumption.\u003c\/strong\u003e This is a label statement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShake vigorously before every dose.\u003c\/strong\u003e This is a suspension. An unshaken bottle delivers an inconsistent amount of active per millilitre.\u003c\/li\u003e\n\u003cli\u003eStore closed, out of reach of children, and away from food. Keep it away from your pond and garden water sources.\u003c\/li\u003e\n\u003cli\u003eRemove dead algae as it lifts rather than leaving it to decay in the tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut the light first.\u003c\/strong\u003e Reducing the photoperiod costs nothing and addresses the driver. Aquasonic's own instruction, if algae persists, is to decrease light exposure and increase water change frequency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest nitrate and phosphate.\u003c\/strong\u003e Persistent algae in a freshwater tank almost always tracks a nutrient source — overfeeding, an overdue filter service, or tap water carrying phosphate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not stack treatments.\u003c\/strong\u003e Wait the full 14 days before repeating, and do not run a second algae product alongside this one.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrape as you go.\u003c\/strong\u003e A pad or magnet removes what has already died and keeps it out of the filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatch the first 48 hours.\u003c\/strong\u003e If fish show any change in behaviour, do a substantial water change immediately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seachem-multitest-phosphate-75-tests\"\u003eSeachem MultiTest Phosphate\u003c\/a\u003e — phosphate is the nutrient most often behind a freshwater algae problem that keeps coming back.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-nitrate-pro-testing-kit-100-tests\"\u003eRed Sea Nitrate Pro Testing Kit\u003c\/a\u003e — the other half of the nutrient picture, worth checking before and after treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seachem-algae-scraper\"\u003eSeachem Algae Scraper\u003c\/a\u003e — for lifting the algae that dies off during the seven days rather than leaving it to decay.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seachem-algae-pad-25-mm-thick-3-pack\"\u003eSeachem Algae Pad 3 Pack\u003c\/a\u003e — glass-safe pads for the same job on a smaller tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/aquasonic-methylene-blue\"\u003eAquasonic Methylene Blue\u003c\/a\u003e — another Australian-made Aquasonic treatment, for the quarantine side of the shelf.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eAquasonic Algaecide is a consumable treatment. Your rights under the Australian Consumer Law apply to this product. Store the bottle closed and out of direct sunlight, and check the label for the batch expiry before dosing an older bottle.\u003c\/p\u003e\n\u003cp\u003eShips as a standard parcel. The 1 L bottle is a liquid over one litre, so check the current carrier restrictions if you are ordering to a remote address by air.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat is the active constituent in Aquasonic Algaecide?\u003c\/h4\u003e\n\u003cp\u003eSimazine, at 15 grams per litre. Simazine is a triazine herbicide that interferes with photosynthesis, which is why it works across a broad range of algae types rather than targeting one species.\u003c\/p\u003e\n\u003ch4\u003eHow much Aquasonic Algaecide do I add?\u003c\/h4\u003e\n\u003cp\u003eOne millilitre, which Aquasonic also expresses as 20 drops, per 20 litres of aquarium water. Shake the bottle vigorously first. Calculate the volume from length x width x water level height in centimetres divided by 1000, then subtract for substrate and hardscape.\u003c\/p\u003e\n\u003ch4\u003eIs Aquasonic Algaecide safe for shrimp?\u003c\/h4\u003e\n\u003cp\u003eNo. This product should not be used in aquariums holding shrimp or other invertebrates. If you keep shrimp in the display tank, this is not the right treatment and no dose adjustment makes it one.\u003c\/p\u003e\n\u003ch4\u003eWill it kill my aquarium plants?\u003c\/h4\u003e\n\u003cp\u003eAquasonic states the product will not affect aquarium plants provided it is used at the correct dosage, and separately warns that overdosing may cause plant damage. Since the active is a herbicide, the safety of a planted tank rests entirely on dosing to the real water volume rather than the tank's nominal size.\u003c\/p\u003e\n\u003ch4\u003eHow long until it works, and can I dose again?\u003c\/h4\u003e\n\u003cp\u003eAquasonic states results should be evident after seven days, and that the treatment may be repeated after 14 days if necessary. If algae is still present after the first course, the label's own advice is to reduce light exposure and increase the frequency of water changes alongside any repeat dose.\u003c\/p\u003e\n\u003ch4\u003eHow much water does each bottle treat?\u003c\/h4\u003e\n\u003cp\u003eAt 1 mL per 20 litres, the 100 mL bottle treats 2,000 litres of aquarium water, the 250 mL bottle treats 5,000 litres, and the 1 L bottle treats 20,000 litres. For a 200 litre tank that is 10, 25 and 100 full doses respectively.\u003c\/p\u003e","brand":"Aquasonic","offers":[{"title":"100 mL","offer_id":55249695146275,"sku":null,"price":13.95,"currency_code":"AUD","in_stock":true},{"title":"250 mL","offer_id":55249695179043,"sku":null,"price":20.95,"currency_code":"AUD","in_stock":true},{"title":"1 L","offer_id":55249695211811,"sku":null,"price":44.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/AQS14_3.jpg?v=1772065509","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/aquasonic-algaecide","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}