Because growing with coco coir can cause puzzling nutrient deficiencies, you need a 2-part base nutrient that solves this problem for you. Heres how pH Perfect Sensi Coco Grow does it. First, it delivers just the right amount of potassium to avoid toxicity of this element, which is already abundant in coco. Second, it contains chelated forms of magnesium and calcium that resist binding to coco and feed your plants instead. Third, and most importantly, it provides the missing piece of the coco puzzle: diversely chelated forms of iron that fix any iron deficiencies that growing in coco can cause. And if that werent enough, you can throw away your pH meters and pens forever! The proprietary pH Perfect Technology keeps your pH in the sweet spot all week, every week with no measuring or tweaking. As always, youre fully protected using pH Perfect Sensi Coco Grow because our Grower Guarantee ensures your 100% satisfaction. Your bloom phase is a crucial time, and you need to get it right when growing with coco coir. Thats why youll find everything your high-value crops need to produce big, heavy buds in pH Perfect Sensi Coco Bloom! First, you wont have to worry about balancing the pH, because the pH Perfect Technology does it for you all the way to harvest time. Next, your plants will benefit from the micronutrients they could be starved of if you grow in coco, such as calcium, magnesium, and, most importantly, multiple chelated forms of iron all of which are steadily fed to your plants when they need it most. All this safely eliminates any chance of nutrient deficiencies. As always, youre fully protected using pH Perfect Sensi Coco Bloom because our Grower Guarantee ensures your 100% satisfaction.