{"disclaimer":"Always check with your agronomist before acting.","data":{"slug":"impact-hi-mag","name":"Hi Mag (magnesium sulphate)","brand":"Impact Fertilisers","category":"Magnesium + Sulphur","form":"granular","analysis":{"N":0,"P":0,"K":0,"S":18,"Ca":null,"Mg":16,"Zn":null,"Cu":null,"B":null},"organic":null,"packSizes":null,"priceAud":null,"sdsUrl":null,"useSegment":"broadacre","notes":"Sulphate form releases magnesium over about four to six weeks, per Impact.","sourceUrl":"https://impactfertilisers.com.au/products/nutrients/magnesium/","verifiedOn":"2026-10-17","price":null,"sourceNote":"Manufacturer nutrient page fetched and read 17 Oct 2026; lists this product with these values.","sourceStatus":"ok","buyUrl":"https://impactfertilisers.com.au/products/nutrients/magnesium/","buyUrlKind":"range","buyVerifiedOn":"2026-10-17"}}