Quick Summary
Psychi Psych Powder is a 200 g loose climbing chalk supplied in a chunky form that can be crushed to your preferred texture. It is intended for refilling chalk bags and bouldering buckets.
The product is described as pure magnesium carbonate chalk and comes in a resealable biodegradable zip-lock bag. The listing also describes it as seawater-derived chalk made using magnesium from seawater desalination waste and CO2.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Psychi, for buyers choosing a matching Psychi chalk product. |
| Product type | Loose climbing chalk, suitable where loose chalk is preferred over blocks or balls. |
| Pack size | 200 g, so the amount supplied is clear before choosing a bag or bucket refill. |
| Format | Chunky chalk lumps that can be crushed to the preferred texture. |
| Material | Pure magnesium carbonate chalk. |
| Pack | Resealable biodegradable zip-lock bag. |
What to Compare Before Buying
- Format: This is loose chunky chalk, so compare it with block, ball or fine loose chalk if you prefer a different feel in the hand or bag.
- Quantity: The pack contains 200 g. Check whether that amount suits regular refill use or a smaller one-off top-up.
- Pack style: The resealable zip-lock bag matters if you want to keep chalk contained between sessions.
- Intended use: It is described for refilling chalk bags and bouldering buckets, so compare it with the way you store and carry chalk.
Before You Decide
Confirm that you want loose chunky chalk in a 200 g pack, rather than a block or a finer fill. Also check that the resealable bag format and refill style suit your chalk bag or bouldering bucket setup before choosing an offer.






