Veg+Bloom - Stax (AKA Stackswell) Size:25lb

Veg+Bloom - Stax (AKA Stackswell) Size:25lbVeg+Bloom Stax Commercial Grade Calcium Magnesium Powder for Concentrated Growing Power Best for: Experienced growers and commercial operations after a concentrated, pH stable calcium magnesium additive that cuts shipping costs and eliminates guesswork Our thoughts This is proper kit for growers who understand nutrient profiles and want commercial grade results without the premium liquid price tag. Veg+Bloom Stax consolidates multiple functions into

6–8 plants

reliable accessory engineered to the same standard as Telos fixtures

and rigid duct has genuinely less friction than flex alternatives

300–600L capacity

so you can control temperature

Run it as a single overhead or pair it with supplementary lights for intensity stacking

Best for: Experienced growers with dialled-in environments ready to push yields and quality to the next level

Origin: Manufactured and tested in House & Garden's own Dutch facility

Phosphate (P₂O₅): 12% available

Switch works on a different mechanism entirely — ethylene hormone activation rather than phosphorus dumping

Add 2ml per 10 litres of reservoir into 1 litre of nutrient-free water

and costs less than the alternatives