House & Garden Algen Extract®, 1 Liter type-rockwool The #1 selling filter in

The #1 selling filter in gardening and hydroponics for 15+ years

high and low alarm when outside parameters with safety lockout

Heavy Fire represents the ultimate hand crafted P/K booster created through strict adherence to nutritional chemistry and biological principals

Thicker non-combustible aluminum construction

the pH content of your nutrients should be slightly acidic

House & Garden Algen Extract®, 1 Liter type-rockwool The #1 selling filter inNorwegian sea kelp extracts are a powerful source of enrichment for your plants with tremendous benefits to your garden. Algen Extract is created by way of cold press technology, keeping the enzymes and biomolecules in the bottle active and thriving (which can't be said for similar products on the market). Norwegian sea kelp contains important macronutrients, trace elements, vitamins, amino acids, natural antibiotics the list goes on. Algen Extract