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Ships within 48 hours · Estimated delivery Nov 18 - Nov 23
This highest-quality kelp is a rich natural source of over 60 chelated nutrients
Up to 30' lamp striking distance: Separate the ballast from your reflector by 30' of distance if necessary (optional lamp cord extensions may be needed)
Filling reservoirs for compost teas and microbial inoculants sensitive to chlorine and chloramines
May be added to nutrient solution reservoirs
Rockwool Block Covers refurbished-products This highest-quality kelp is aPLASTIC 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
US$ 69.95
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