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Biobizz Bio-Down 0,25 l
Bio-Down lowers the pH of a solution that sits too high, the usual case with hard tap water. One 0.1 ml/L step drops it about 0.5 point, and the 250 ml bottle covers 2500 litres per step, on any medium, from germination to bloom, at every mix you prepare.
250 ml organic pH down Biobizz | Buy Online
Bio Down brings the pH of a nutrient solution down, which is the usual case with hard tap water. A single 0.1 ml/L step, in soil as much as in coco, lowers it by about 0.5 point. The 250 ml bottle covers 2500 litres per step. What dissolves in that water is listed in the organic Biobizz range.
One step is usually enough
In soil and in coco, a 0.1 ml/L step brings the pH down by about 0.5 point. The alkaline regulator lifts only about 0.1 point with that same step. Coming down is therefore five times more efficient, which changes how long a bottle lasts.
Here, 2500 litres per step comes to roughly 2500 litres actually corrected, since one correction normally does it. If your water is hard, this is the bottle you will use, and slowly.
- Target: pH 6.2 to 6.5 in the solution
- Adjust after the feed goes in, not before
- One step down counts as five steps up
- About 2500 litres corrected with this bottle
Five times stronger than the other direction
In soil and in coco, the same 0.1 ml/L step moves the pH about 0.5 point down but only 0.1 point up. A down bottle therefore lasts far longer than an up bottle. If your water is hard, this is the bottle you will use, and slowly.
Specifications
| Property | Value |
|---|---|
| Contents | 250 ml |
| Type | organic pH regulator, liquid |
| Effect of one step | 0.1 ml/L moves the pH about 0.5 point downwards, whatever the substrate |
| Target value | pH 6.2 to 6.5 in the nutrient solution |
| Yield | 2500 litres per 0.1 ml/L step, in soil and in coco |
| Use | in soil, in coco and in hydro |
| Order | adjust pH after the feed has gone in |
Works with
The regulator in the other direction is Bio-Up 250 ml, and the same product also comes in Bio-Down 500 ml. Bio-Up 500 ml belongs to the same correction. The rest of the line is in the Biobizz range; pH control sits in pH and EC control.
FAQ - what a bottle covers
How many litres can a 250 ml bottle correct?
2500 litres per 0.1 ml/L step. With Bio-Down one step is usually enough, since it drops the value by about 0.5 point, so the useful figure sits close to the full 2500 litres. The regulator that raises pH works the other way round: five steps for the same distance, leaving around 500 litres from the same bottle. This size therefore suits the downward direction well.
