
Objašnjeno smanjenje: veličine, stilovi i način odabira
Emma Chen
Glass Specialist
Objašnjeno smanjenje: veličine, stilovi i način odabira
Donji stablo je jedna od najkritičnijih komponenti vašeg bonga - to je mjesto gdje dim ulazi u vodu radi filtracije. Razumijevanje veličina, stilova i načina mjerenja donjeg dijela osigurava da dobijete pravu zamjenu ili nadogradnju. Ovaj vodič pokriva sve što trebate znati.
brz odgovor
Donje stabljike dolaze u dvije veličine zglobova: 14 mm i 18 mm. Measure your bong's joint (a dime is slightly larger than 14mm) and the length from joint to 1 inch above base. Diffused downstems (with slits/holes) provide more filtration than open-bottom styles. Most bongs use 14mm joints; larger pieces use 18mm.
Što radi spušteni stablo?
Donji stabljik povezuje vašu zdjelu s vodom, služeći dvije bitne funkcije:
1. dim: Nosi dim iz posude kroz džoint i dolje u vodu.
2 . Osnovna filtracija: stvara mjehuriće koji filtriraju i hlade dim prije udisaja.
Bez donjeg stabla, dim bi ušao iznad vodene linije bez filtracije. Donji stablo je ono što čini bong bong, a ne suhu cijev.
Veličine zglobova: 14 mm naspram 18 mm
14mm zglobovi
Najčešća veličina. Used on:
- Mali do srednji bongovi (8-14 inča)
- mnogo bongova s čašama
- Većina mjehurića s uklonjivim donjim stabljikama
- vodovodne cijevi
Kako se identificirati: Dime (promjer 17,9 mm) je nešto veći od otvora zgloba od 14 mm.
18mm zglobovi
Veća veličina za veće bongove. Used on:
- Veliki bongovi (14+ inča)
- teška znanstvena čaša
- Neki vrhunski komadi
- mnogo ravne tube bongova
Kako se identificirati: Dime je nešto manji od otvora zgloba od 18 mm.
brzi test
1. Držite novčić iznad otvora za zglobove
2 Ako je novčić veći od otvaranja = 14 mm
3. Ako je DIME manji od otvora = 18 mm
4. Ako novčić točno odgovara = neuobičajeno 18 mm (uvijek su nešto veći od 18 mm stvarnih)
Mjerenje duljine nižeg stabla
Prava duljina je ključna - prekratka neće dosezati vodu, predugo pogađa bazu.
Kako izmjeriti:
Metoda 1 - s postojećim smanjenjem:
1. Uklonite donji stablo s Bonga
2 . Mjerite od dna matiranog dijela do dna vrha
3. Ovo je vaša duljina pada
Metoda 2 - bez donjeg:
1. Umetnite olovku/štap za jelo u zglob pod kutom donji dio bi sjedio
2 . Označite gdje zglob završava na štapiću
3. Donji štap dok gotovo ne dodirne bazu (ostavite razmak od 0,5-1 inča)
4. Označite ovu točku
5. Mjeri između ocjena
Uobičajene duljine:
- Mali bongovi: 3-3,5 inča
- Srednji bongovi: 4-4,5 inča
- Veliki bongovi: 5-6 inča
Important: Uvijek ostavite jaz između donjeg dna i baze. Udaranje u bazu:
- Ograničava protok zraka
- može razbiti staklo
- stvara neugodno zveckanje
Stilovi spuštenog stabla
Otvoreno dno (nedifuzno)
Jednostavna cijev s otvorenim krajem.
Pros:
- maksimalan protok zraka
- Lako se čisti
- Najjeftinija opcija
- Won't clog
Cons:
- najmanja filtracija
- Veći mjehurići = manje glatki
- osnovna izvedba
Best for: korisnici koji daju prednost protoku zraka u odnosu na glatkoću, proračunske gradnje
rascijepljen
cijev s 3-6 proreza izrezanih na dnu.
Pros:
- Više mjehurića nego otvorenih
- bolja filtracija
- Dobra ravnoteža protoka i glatkoće
- Zajedničko i pristupačno
Cons:
- Može se začepiti smolom
- Malo više vuči
- Potrebno je periodično čišćenje
Best for: većina korisnika - dobra svestrana izvedba
višestruka difuzija
Mnogi prorezi (8-12+) stvaraju finu difuziju.
Pros:
- Vrlo glatki pogoci
- Izvrsno filtriranje
- Puno malih mjehurića
- Izvrstan za oštar cvijet
Cons:
- Most drag
- brže se klompi
- Teže za čišćenje
- skuplji novac
Best for: Korisnici koji daju prednost glatkoći u odnosu na protok zraka
difuzorski difuzor
Rašireno dno s rupama raspoređenim u krug, poput tuša.
Pros:
- Čak i distribucija mje
- uglađena izvedba
- zanimljiv vizualan
- dobar filtracija
Cons:
- može biti krhak na baklji
- umjerena kočnica
- teže naći
Best for: korisnici koji žele jedinstveni stil difuzije
percolator donje stablo
Više krakova s prorezima koji se protežu od dna.
Pros:
- maksimalna difuzija
- vrlo glatka
- impresivan vizualni
Cons:
- Fragile
- Hard to clean
- Significant drag
- Expensive
Best for: Smoothness enthusiasts with careful habits
Material Options
Borosilicate Glass (Standard)
Most common. Heat-resistant, durable, easy to clean. Clear glass lets you see diffusion. The standard choice for good reason.
Quartz
Premium option. More heat-resistant than borosilicate, very durable. Usually clear or slightly different appearance. Overkill for most users but appreciated by enthusiasts.
Silicone
Flexible and unbreakable. Some silicone bongs use silicone downstems. Won't break if dropped but may retain odors over time. Good for clumsy users.
Titanium
Rare, very durable. Virtually indestructible but changes heat transfer characteristics. Expensive and uncommon.
Matching Bowls to Downstems
Your bowl must match your downstem's joint size:
- 14mm downstem = 14mm male bowl
- 18mm downstem = 18mm male bowl
Using Adapters
Can't find the right bowl size?
- 18mm female to 14mm male adapter: Uses 14mm bowl with 18mm downstem
- 14mm female to 18mm male adapter: Uses 18mm bowl with 14mm downstem (less common)
Adapters add height and can look odd, but work fine functionally.
Built-In vs Removable Downstems
Removable Downstems
Most bongs have removable downstems.
Advantages:
- Easy to replace if broken
- Can upgrade to better style
- Easier to clean separately
- Can adjust length if needed
Built-In (Fixed) Downstems
Some bongs have integrated downstems.
Advantages:
- Nothing to break separately
- Cleaner look
- No joint wear over time
Disadvantages:
- Can't upgrade
- If it breaks, replace whole bong
- Harder to clean thoroughly
Cleaning Your Downstem
Downstems get dirty fast - all smoke passes through them.
Quick Clean:
1. Remove from bong
2. Rinse with hot water
3. Use pipe cleaner for slits
4. Repeat weekly
Deep Clean:
1. Soak in isopropyl alcohol (91%+) for 30 minutes
2. Add coarse salt, shake in bag
3. Use pipe cleaners for slits
4. Rinse thoroughly
5. Dry completely
Preventing Clogs:
- Clean regularly before buildup hardens
- Use screens in bowl to prevent debris
- Change bong water frequently
When to Replace Your Downstem
Replace if:
- Cracked or chipped (safety risk)
- Slits are permanently clogged
- Joint is worn/loose (wobbles)
- Want to upgrade diffusion style
Average lifespan: 1-3 years with good care. Glass can last longer if handled carefully.
Choosing the Right Downstem
Consider your priorities:
Prioritize smoothness?
Choose multi-slit or showerhead diffuser
Prioritize airflow?
Choose open-bottom or 3-4 slit diffuser
Prioritize easy cleaning?
Choose open-bottom or minimal slits
Prioritize durability?
Choose thick glass, avoid tree percolators
Budget Guide:
- Basic open/slitted: $5-15
- Quality diffused: $15-30
- Premium/specialty: $30-50+
Pro Tips
Tip 1: Buy a backup. Downstems break eventually, and having a spare means no interrupted sessions.
Tip 2: Measure twice, buy once. Wrong size is useless.
Tip 3: More slits isn't always better. Consider your lung capacity and airflow preference.
Tip 4: Diffuser downstems can reduce your need for additional percolators, saving money and complexity.
This guide is for educational purposes. Cannabis laws vary by jurisdiction.
Frequently Asked Questions
Check your bong's joint size - most are 14mm or 18mm. Use a dime as reference: 14mm joints are slightly smaller than a dime, 18mm are slightly larger. For length, measure from the joint to 1 inch above the base.
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