Rockwool Block Covers refurbished-products Add 4-12 mL of KALIX

Add 4-12 mL of KALIX Bloom A per gallon of nutrient solution during the flowering phase

or as a stand alone dechlorinating and sediment filter

Super active

May be added to nutrient solution reservoirs

Filling reservoirs for compost teas and microbial inoculants sensitive to chlorine and chloramines

Rockwool Block Covers refurbished-products Add 4-12 mL of KALIXPLASTIC BLOCK COVERS Reflect light to plant leaves, where its needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks. Block light from media Reflect light to plant leaves where it's needed most Eliminate algae and mildew growth 40 dual sided block covers per pack