what is the most used dKH level? | Reef2Reef - REEF2REEF …
2021年3月2日 · In general, I suggest that aquarists maintain alkalinity between about 7-11 dKH (2.5 and 4 meq/L; 125-200 ppm CaCO3 equivalents). Many aquarists growing SPS corals and …
Keeping DKH @ 8 or 11? - Reef2Reef
2018年3月5日 · What’s the pros and cons of having your DKH low or high? Why do some people run their DKH at 8 and others at higher levels? My assumption is that it’s because of nutrient …
What is the ideal alkalinity | Reef2Reef
2015年2月9日 · In general, I suggest that aquarists maintain alkalinity between about 7-11 dKH (2.5 and 4 meq/L; 125-200 ppm CaCO3 equivalents). Many aquarists growing SPS corals and …
Alkalinity Conversion Calculator - Hamza's Reef
Aquarium calculator; Convert alkalinity between milliequivalents-per-liter (meq/L, meql), carbonate hardness (dKH, KH), and parts-per-million (ppm).
What is dKH in an Aquarium and How It Impacts Fish and Coral …
2025年1月16日 · Discover the vital role of dKH (degrees of carbonate hardness) in aquarium health. Learn how optimal dKH levels, ranging from 6 to 12, stabilize pH, reduce fish stress, …
How much alk/cal should I dose? - Nano-Reef Community
2011年9月30日 · Adding 1 ml/gallon of the alk will raise alkalinity by 2.07 DKH. But, it says the recommended starting dose is 1ml of each component per 4 gallons of water. If I only add that …
Carbonate hardness - Wikipedia
Carbonate hardness is usually expressed either in degrees KH (°dKH) (from the German "Karbonathärte"), or in parts per million calcium carbonate ( ppm CaCO. 3 per litre|mg/L). One …
Dkh Calculator - Bulk Reef Supply
Shop Dkh Calculator at Bulk Reef Supply where we make reefing fun and easy.
请问Sob老师一个关于相对论的问题 - 量子化学 (Quantum …
2016年12月16日 · ZORA是把四分量Dirac方程转化为二分量的做法之一，分为标量和旋轨耦合部分。其它的常见转化方法还有DKH、X2C等等。 Gaussian也能做标量相对论计算，比如写 …
相对论量子化学方法总结 - 量子化学 (Quantum Chemistry) - 计算 …
2025年3月19日 · 记得每次听刘文剑老师的报告，他都认为二分量方法只有x2c最好，zora 和dkh 已经过时了，他在一本专著中写 ... 确实如此。 X2C目前主要的不足之处是还没有专门为X2C开 …