Professor's Organic pH Up Size:250ml Zip Zag guarentees the contents

Zip Zag guarentees the contents will stay fresh and keep the aromas locked safely inside

Not steam sterilized

All essential nutrients

Make the best growth medium yourself

which can be rapidly depleted by active roots and unless the oxygen is replaced the roots will be growing in a low oxygen environment and their performance will suffer as a consequence

Professor's Organic pH Up Size:250ml Zip Zag guarentees the contentsProfessor's Nutrients Organic pH Up 100% Organic pH Up For the adjustment of pH values The correct pH level plays a pivotal role in the overall success of your harvest. Plants are only able to absorb nutrients when the pH level lies within the correct range, creating the optimal condition for vigorous growth, bud development and large harvests. When your pH level deviates from this ideal range for too long, your plants lose their ability to absorb the