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Base Nutrients
GT Optimum Grow & Bloom - litres: B5L
Formulated by internationally renowned chemist Carl Barry, Optimum is one of Australia’s most trusted two- part nutrients.
$69
Shipping calculated by weight at checkout, from $16, free on orders over $500.
Free pickup from our Youngtown store, Tasmania.
- Australia-wide delivery. Free on orders over $500 under 20 kg. Shipping details
- Free pickup from Shop 2, 322 Hobart Road, Youngtown TAS. Open 9am to 5pm, seven days.
- Questions? Call 0483 364 836. Returns policy
Formulated by internationally renowned chemist Carl Barry, Optimum is one of Australia’s most trusted two-
part nutrients.
It has been calculated to the highest possible standard of accuracy and is manufactured from
the purest and most soluble mineral salts. The inclusion of chelates ensures that vital micro nutrients remain
available to the plant even during pH fluctuations.
Priced fairly Growth Technologies Optimum Grow & Bloom really is a great value for money.
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