RO (Reverse Osmosis) Kya Hota Hai?
RO ek membrane-based technology hai jo pani ko high pressure se ek semi-permeable membrane ke through push karti hai. Ye membrane itni fine hoti hai ki dissolved salts, heavy metals (lead, arsenic), fluoride, nitrate aur TDS — sab remove ho jaate hain. Haryana jaise high-TDS area (jahan groundwater ka TDS 400–1000 ppm tak hota hai) ke liye RO zaroori hai. RO ka ek downside hai — ye essential minerals bhi remove kar deta hai, isliye accha RO TDS controller ya mineralizer ke saath aata hai.
UV (Ultraviolet) Kya Hota Hai?
UV purifier ek ultraviolet lamp use karta hai jo pani mein maujood bacteria, virus aur germs ko maar deta hai. Lekin UV sirf living organisms ko kill karta hai — ye TDS, dissolved salts ya chemicals ko remove NAHI karta. UV us pani ke liye theek hai jiska TDS already low ho (jaise municipal corporation supply ya treated water), bas usme bacterial contamination ho.
UF (Ultrafiltration) Kya Hota Hai?
UF ek membrane technology hai lekin RO se thodi alag — iske pores RO se bade hote hain. UF mud, dirt, bacteria aur cysts ko remove karta hai, lekin dissolved salts aur TDS ko nahi hata sakta. UF ka ek fayda hai — ye bina electricity ke bhi chal sakta hai aur essential minerals retain karta hai. Lekin Haryana ke high-TDS pani ke liye akela UF kaafi nahi hai.
Haryana Ke Liye Kaunsa Best Hai — Seedha Jawab
Haryana ke zyaadatar areas mein groundwater high-TDS hai, isliye akela UV ya akela UF kaam nahi karega. Sahi solution hai RO + UV + UF combination (jise 7-stage ya multi-stage purifier kehte hain). Isme RO membrane TDS aur heavy metals hatati hai, UV lamp bacteria maarti hai, aur UF extra protection deti hai. Agar aapke ghar Municipal supply aati hai jiska TDS already kam hai (under 300 ppm), tab UV+UF kaafi ho sakta hai. Lekin borewell ya tanker water ke liye RO must hai.
TDS Ke Hisaab Se Decision Table
Agar aapke pani ka TDS 0–200 ppm hai — sirf UV ya UV+UF kaafi hai. 200–500 ppm — RO+UV recommended. 500 ppm se zyaada (Haryana ke zyaadatar borewell areas) — RO+UV+UF with TDS controller zaroori hai. Apne pani ka TDS pata nahi? AquaServe free home TDS test deta hai Haryana ke sabhi service areas mein.
Galtiyan Jo Log Karte Hain
Sabse common galti — sirf UV purifier khareed lena kyunki wo sasta hota hai, jabki ghar mein borewell ka high-TDS pani aata hai. Aise mein pani ka taste kharab rehta hai aur health risk bhi. Doosri galti — RO toh le liya lekin TDS controller wala nahi, jisse pani over-purified ho jaata hai aur essential minerals nikal jaate hain. Teesri galti — local non-branded purifier le lena jiska service network nahi hota.