The effect of the polycarboxylate ether and the complex hydrophobic-plasticizing additive on the structure. phase and mineral composition of cement based on polymineral clay with content of relict minerals more than 85 % (52. 49 % of quartz) was studied. As research methods chosen X-ray diffraction pattern. https://poolsproductscanadas.shop/product-category/hayward-commercial-white-goods/