Oakton Waterproof EcoTestr pH1 veg-and-bloom or as a top dress

or as a top dress for encouraging vigorous growth

SNS-604A™ Vegetation Organic Growth Supplement Concentrate & SNS-604B™ Flowering Organic Growth Supplement Concentrate (512 to 1) - Grow Bigger

which guarantees excellent performance as a primary media or as a foundation for any of your custom mixtures

without the use of air stones

Oakton Waterproof EcoTestr pH1 veg-and-bloom or as a top dressOAKTON's new EcoTestr is economical and easy to use. With its crystal clear, ergonomically designed display, you can easily view measurements at a glance. Each rugged tester has a waterproof and dustproof housing for use in dirty and damp field conditions. Simply dip and readthe orientation of the display means there's no need to turn your head or tilt the tester. Single junction electrode is well suited for general purpose applications. Recessed bulb