Pastors pay their Social Security and Medicare tax the same way a self-employed person would, through self-employment tax. This tax is 15.3% of income including the housing/parsonage allowance and is calculated on the Schedule SE that is filed with a minister's tax return each year.
Blue-green algae have a high protein, iron, and other mineral content which is absorbed when taken orally. Blue-green algae are being researched for their potential effects on the immune system, swelling (inflammation), and viral infections.
Phosphates and nitrates are the nutrients that will contribute to algae growth. Phosphates enter your aquarium through tap water and other aquarium additives, including certain brands of carbon. Nitrates are the result of the breakdown of fish and plant waste, and can also be found in tap water.