Jack's Nutrients Boost Cal Nit Part B 15-0-0 - 1 kg Alaska While it does best in

While it does best in moist soil

Breathable mesh lining wicks away humidity and perspiration

Makes leather look like new with a single application

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Jack's Nutrients Boost Cal Nit Part B 15-0-0 - 1 kg Alaska While it does best inThe Jack's Boost line is all the little extras your plants may need. Do you need calcium, extra micros, or extra iron? These supplements and more are found in the Jack's Boosted Line. An essential "Part B" provides a very soluble and available source of calcium in a two part nutrient system. Contains very pure and completely available calcium and nitrate nitrogen nutrient sources.