Journal · September 23, 2026 · 6 min read
Best rosin for double bass: Soft vs Hard vs Super Sticky
Bass rosin is where the choice matters most. Here is how the three hardnesses behave, which one fits your room and your section, and how to switch from what you use now.

Bass rosin is where the choice matters most. A violinist can play with almost any decent cake and get a note. A bassist with the wrong rosin gets either a bow that skates over the string or a gummy, scratching mess. The reason is physics: thick, heavy strings need real adhesion to be pulled into motion, so bass rosin is far softer and stickier than anything made for the higher instruments. Within that family, hardness is the whole game.
The short version
- Not sure? Buy Soft. It is the all-rounder and the one most players settle on.
- Warm room, summer, chamber or solo work: Hard. It keeps clarity when softer rosins go gummy.
- Orchestral section, big hall, you want the string to grab: Super Sticky.
- Own two if you play in both kinds of room. A cake costs $28.00, and a cake lasts a long time.
What the three hardnesses actually do
050 makes its three bass rosins from one recipe, varying only the hardness. That matters, because it means the tone character stays in the same family and you are choosing grip, not flavour.
- Soft (stamped BS). A powerful, noble-sounding rosin for all situations. Sticky enough for orchestral use without grit or noise. Produces a deep, focused tone with a pleasant dark note. This is the default for a reason. Bass Soft, $28 →
- Hard (stamped BH). Designed for chamber and solo playing, and for orchestral players who prefer a harder blend. Ideal for warmer climates and seasons. It retains power and fullness and adds shimmer and clarity at the top of the sound. Bass Hard, $28 →
- Super Sticky (stamped BX). The orchestral bass rosin, developed with players from the Royal Concertgebouw Orchestra. Big, dark, focused tone with punch and projection, and still no grit or background noise. Bass Super Sticky, $28 →
Choose by the room
Rosin softens with heat. This is the single most useful thing to know. In a warm hall, under stage lights, or in a summer festival tent, a soft rosin can turn tacky, grab unevenly and start to make noise. That is the moment a harder rosin earns its keep: it stays crisp and the attack stays clean. The opposite is also true. In a cold church or an air-conditioned studio, the same soft rosin gives you grip that a hard one would lose, and the sound stays full instead of thinning out.
A simple rule: warmer room, harder rosin. Colder room, softer rosin. If your year includes both, keep Soft and Hard in the case and let the thermometer decide.
Choose by the situation
The second question is how much string you need to move and how far the sound has to travel.
- Orchestral section. You are one of six or eight basses trying to be felt at the back of a 2,000-seat hall. Grip and projection win. Soft or Super Sticky.
- Chamber music and solo repertoire. You are exposed. Every attack is heard and clarity matters more than raw weight. Hard, or Soft in a cool room.
- Jazz and pizzicato-heavy playing with occasional arco. A few strokes of Soft on the hair is enough. Heavy rosin on a bow you rarely use only makes dust.
- Early music and gut strings. Gut takes rosin easily and rewards a clean attack. Soft, applied lightly, is the usual answer; Hard if the room runs warm.
How to apply it
Less than you think. A few slow strokes over the full length of the hair is plenty for a broken-in bow. Fresh hair after a rehair needs more the first few days. If you see a snowfall of dust on the top of the instrument, or the first millisecond of each note is scratchy, you are using too much. Harder formulas need slightly more passes than soft ones, because less transfers per stroke.
Many orchestral bassists practise on Soft and add a few strokes of Super Sticky on concert day. The two blend on the hair, and you get the extra grab without living with it all week.
Switching from Pops, Kolstein or Carlsson
Most bassists arrive at 050 from one of three rosins, and the transition is easy to predict.
- From Pops. Pops is famous for being very soft and very sticky. If that grip is what you like, start with 050 Super Sticky; if you have always found Pops a bit gummy or noisy, Soft will feel like a cleaner version of the same idea. Wipe the hair with a dry cloth before switching, because Pops lingers.
- From Kolstein. Kolstein comes in Soft, All-Weather and Hard, so map straight across: Kolstein Soft to 050 Soft, All-Weather to Soft or Hard depending on your room, Kolstein Hard to 050 Hard. One TalkBass player who moved from Kolstein Soft reported that 050 Soft stays active longer on the bow, with good grip but not too dark.
- From Carlsson (Nyman). The Swedish classic sits on the softer side. 050 Soft is the natural neighbour; Hard if you found Carlsson too much in summer.
Why 050 at all
There is plenty of good bass rosin in the world. The difference here is the philosophy: 050 is handmade in small batches in Groningen, developed with players from the Royal Concertgebouw Orchestra, sold in a paper cup and a stamped kraft box rather than a tin or a plastic case, and priced at $28.00 a cake because you are paying for the rosin, not the packaging. Try Soft first. If the room or the repertoire pulls you towards one of the other two, you will know within a rehearsal.