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Recommendations:
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See our Knowledge Center for info on: Hydroponic Basics Systems Lighting Nutrients Hydroware Grow Substrates Glossary
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Format:
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7 1/3 X 1 1/3 X 1 1/3
Total Dissolved Solids (TDS) are the total amount of mobile charged ions, including minerals, salts or metals dissolved in a given volume of water, expressed in units of mg per unit volume of water (mg/L), also referred to as parts per million (ppm).
TDS is directly related to the purity of water and the quality of water purification systems and affects everything that consumes, lives in, or uses water, whether organic or inorganic, whether for better or for worse.
A TDS meter is based on the electrical conductivity (EC) of water. Pure H20 has virtually zero conductivity. Conductivity is usually about 100 times the total cations or anions expressed as equivalents. TDS is calculated by converting the EC by a factor of 0.5 to 1.0 times the EC, depending upon the levels. Typically, the higher the level of EC, the higher the conversion factor to determine the TDS.
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Manufacturer - Click for Complete List:
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HM Digital
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Manufacturer Number:
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716165
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UPC:
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891144000021
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Shipping Info:
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NO PO BOXES – STREET ADDRESS ONLY!
In Stock! Products from the J warehouse are 98% in stock. Jardine (J) fulfillment center ships UPS, Fedex or common carrier to STREET ADDRESSES ONLY, Ground or Express. You will be given the Express option on checkout.
You will get the tracking number as shipment confirmation to your email.
Jardine fulfillment center ships SIGNATURE REQUIRED.
Jardine fulfillment center does not ship internationally.
Since HI, AK & US Territories force air shipment, air ship rates will be applied to your order.
Jardine Warehouse has a minimum order of $15.00.
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