

GT Optimum Bloom A+B | 20L
Introducing GT Optimum Bloom A+B in a bulk 20L size - crafted by internationally renowned chemist Carl Barry, a Nobel Prize-winning chemist. This two-part nutrient stands as one of Australia's most esteemed formulas, meticulously calibrated to the highest standards of precision.
Manufactured from the purest and most soluble mineral salts, GT Optimum ensures optimal nutrient uptake for your plants. The inclusion of chelates guarantees that essential micronutrients remain readily available, even in the face of pH fluctuations. Trust in the excellence of GT Optimum Bloom A+B for superior plant nutrition and unparalleled results.
We do try very hard to ship all our products quickly. In most cases items are shipped within 24 hours of receiving payment.
We provide a comprehensive 12-month in-house warranty for the majority of our products, with any exceptions clearly outlined on the respective product pages.
In addition, select brands extend their warranty coverage to 2 years, 3 years, 4 years and 5 years. The specific warranty periods for these products are detailed, and customers have the option to either submit claims through our service or directly with the brand.
Estimated Delivery Time Frame: 3 - 7 business days